[DeTomaso] Fwd: Dyno
Bob Radefeld
bob at radefeld.com
Sun Aug 3 19:01:12 EDT 2014
We're gonna miss you & Jim @ SORC this next week but don't worry, no matter
how much suffering it takes on the team's part we'll make sure we drink you
boyz's allotment of the beer we buy with your share of the teams'
sponsorship money!! :o)) Looks like your new engine is gonna be a real bad
boy & you should have a LOT of fun with it @ SSCC next month! We all wish
we could at least be there to cheer you guys on but we've heard rumors that
that scroungy pup might be out there?? HaHaHaHa...
We'll try & keep you guys all well informed of our adventures out here in
"God's country", however, internet connections in the big berg of Arnold
don't always measure up to what us big city boyz are used
to..................! Take Care.
Rowdy Bob & the Gang
On Sun, Aug 3, 2014 at 11:58 AM, TeamPantera <teampantera at yahoo.com> wrote:
> Again very impressive numbers...well done Mark
> MD
>
> skwarek mark <mlskwarek at gmail.com> wrote:
>
> >#5481's new heart beat. She'll be ready for SSCC. I'm sorry that she
> >wasn't ready for prime time in Nebraska (SORC).
> >
> >---------- Forwarded message ----------
> >From: Dave McLain <davidmclain39 at gmail.com>
> >Date: Sat, Aug 2, 2014 at 5:31 PM
> >Subject: Re: Dyno
> >To: skwarek mark <mlskwarek at gmail.com>
> >
> >
> >I put a lot of effort into this stuff and I try to do the best job
> >possible. Engine building is so much work anyway why not.... After a
> >break for lunch I spent another couple of hours working on the jetting on
> >your 830 to get it to run as good as possible. I knew that if my Holley
> >was close to 20 horsepower better that there was a lot in the carburetor.
> > The best combo ended up being 92 and 96 jets staggered with 30 degrees
> >timing on the 1 inch HVH merge spacer. This it running through the
> Pantera
> >headers with a 2 and half inch pipe and muffler I think that should
> reflect
> >pretty close to what you're going to have in the car. I did some hold and
> >go tests where I held at 5500rpm for 10 seconds before going to 7000 and
> >even then 30 degrees timing was best. I think that after some new bowl
> >gaskets that this thing will be ready to put in the crate.
> >
> >Dave
> >
> >
> >
> >On Sat, Aug 2, 2014 at 2:09 PM, skwarek mark <mlskwarek at gmail.com> wrote:
> >
> >> Dave,
> >> You are really master engine builder. I can't thank you enough.
> >>
> >>
> >> On Sat, Aug 2, 2014 at 3:07 PM, Dave McLain <davidmclain39 at gmail.com>
> >> wrote:
> >>
> >>> The engine makes really good torque overall and now that I have the
> basic
> >>> tuneup figured out I'm going to spend some time making sure that it'll
> be
> >>> ok when the engine is run hard for a long period. What I'll do is
> start a
> >>> pull from about 5500rpm after a hold of about 15-20 seconds. This will
> >>> allow the head to get a good heat soak before the pull and it will
> allow me
> >>> to determine the timing requirement for some hard running. I don't
> want to
> >>> get too much timing in the engine.
> >>>
> >>> Dave
> >>>
> >>>
> >>> On Sat, Aug 2, 2014 at 1:19 PM, skwarek mark <mlskwarek at gmail.com>
> wrote:
> >>>
> >>>> I am just blown away with your results. The results are so flat across
> >>>> the RPM range, All I can say thanks.
> >>>>
> >>>> Mark
> >>>>
> >>>>
> >>>> On Sat, Aug 2, 2014 at 2:11 PM, Dave McLain <davidmclain39 at gmail.com>
> >>>> wrote:
> >>>>
> >>>>> For the next pull I swapped on my 950 HP that was built by
> Competition
> >>>>> Carburetion just to see what was "in" the carburetor. The engine
> made the
> >>>>> same overall torque numbers but picked up 17 horsepower at the
> peak. This
> >>>>> carburetor is not necessarily the ultimate Holley or anything but it
> was
> >>>>> built to be a good all around carburetor for testing on lots of
> different
> >>>>> engines.
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>>
> >>>>> On Sat, Aug 2, 2014 at 12:58 PM, Dave McLain <
> davidmclain39 at gmail.com>
> >>>>> wrote:
> >>>>>
> >>>>>> I've been doing some work on the engine this morning and so far I'm
> at
> >>>>>> 600 horsepower at 6650rpm and 517lbs/ft torque at 5000. Best combo
> so far
> >>>>>> is with 30 degrees timing and an HVH 1 inch merge spacer. Here's a
> screen
> >>>>>> capture from a pull that I made a few minutes ago. I'm going to
> break for
> >>>>>> lunch soon but I think I might mess with the jetting a bit and call
> it
> >>>>>> good. This is with Dan Jones' Pantera headers flowing into a 2.5
> inch
> >>>>>> glasspack muffler. Another thing I want to do is change the
> bushing in
> >>>>>> this distributor to shorten up the curve which is way too long.
> This will
> >>>>>> help to make the idle more consistent and I don't think it'll make
> it tough
> >>>>>> to start hot. It would be best locked out but I don't know if you
> have a
> >>>>>> provision to spin the engine and then light the spark.
> >>>>>>
> >>>>>> Dave
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> On Fri, Aug 1, 2014 at 11:50 PM, skwarek mark <mlskwarek at gmail.com>
> >>>>>> wrote:
> >>>>>>
> >>>>>>> My friends are hoping for some video.
> >>>>>>>
> >>>>>>>
> >>>>>>> On Fri, Aug 1, 2014 at 7:56 PM, Dave McLain <
> davidmclain39 at gmail.com>
> >>>>>>> wrote:
> >>>>>>>
> >>>>>>>> Engine RUNS!
> >>>>>>>>
> >>>>>>>> I spent about an hour or so this evening running the engine,
> getting
> >>>>>>>> the carburetor adjusted, setting the lash hot etc. It sounds
> very nice. I
> >>>>>>>> have a few things to fix. I have a water leak on the big pipe
> plugs at the
> >>>>>>>> end of each head which should be easy to fix with some epoxy but
> other than
> >>>>>>>> that everything is working well. Tomorrow I'm going to get some
> pulls done
> >>>>>>>> and see what this thing is going to do.....
> >>>>>>>>
> >>>>>>>> I think that stopping by here later in the year might be a great
> >>>>>>>> plan because there's a LOT of stuff that's left over from the
> engine and
> >>>>>>>> there's no way it'll fit in the crate.
> >>>>>>>>
> >>>>>>>> Dave
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> On Fri, Aug 1, 2014 at 9:20 AM, skwarek mark <mlskwarek at gmail.com
> >
> >>>>>>>> wrote:
> >>>>>>>>
> >>>>>>>>> Sounds great. I plan to stop by your place in mid October. That
> is
> >>>>>>>>> when I'll be coming back from Nevada. I'll keep you posted as to
> when.
> >>>>>>>>>
> >>>>>>>>> Looking forward to you results.
> >>>>>>>>>
> >>>>>>>>>
> >>>>>>>>> On Fri, Aug 1, 2014 at 9:53 AM, Dave McLain <
> >>>>>>>>> davidmclain39 at gmail.com> wrote:
> >>>>>>>>>
> >>>>>>>>>> I think that's a good idea. I'll do the testing with the
> "street"
> >>>>>>>>>> plugs and then switch it over to the "race" plugs before I send
> it out to
> >>>>>>>>>> you. The street plugs I have for it are Autolite 3923's which
> are a
> >>>>>>>>>> moderate heat range. I have had good results from them in an
> aluminum
> >>>>>>>>>> headed application and they are hot enough to stay clean with
> normal
> >>>>>>>>>> driving and a lot of cold start/short trip use. I'm just
> afraid that they
> >>>>>>>>>> might be too hot in an application where the throttle will be
> held down for
> >>>>>>>>>> 90 miles that's why I also picked up a set of the AR 3910's
> which are about
> >>>>>>>>>> 2 heat ranges colder than the 3923's.
> >>>>>>>>>>
> >>>>>>>>>> Plugs can be really weird in this respect. Several years ago I
> >>>>>>>>>> was having a problem with this in a circle track engine. The
> customer had
> >>>>>>>>>> run the same plugs in the engine for over a season with no
> fouling or
> >>>>>>>>>> trouble of any kind. In the off season he changed to another
> car with a
> >>>>>>>>>> better chassis and I also worked on the engine package to find
> some more
> >>>>>>>>>> power. He could run about four laps and burn up the plugs if
> the track was
> >>>>>>>>>> pretty heavy(dirt track). But if the track was slightly
> slicker and had
> >>>>>>>>>> less grip the plugs would look perfect and never cause a
> problem. I
> >>>>>>>>>> installed a data logger on the car and the difference between
> the heavy and
> >>>>>>>>>> normal track as far as the engine went was almost non
> existent. The time
> >>>>>>>>>> he was off the throttle was only about 1/10 of a second less on
> the heavy
> >>>>>>>>>> track but it was enough to cause a problem where the plug would
> go from
> >>>>>>>>>> looking fine to absolutely burned up! Switching to something
> colder cured
> >>>>>>>>>> the problem and they still stay clean enough that he can run a
> set of plugs
> >>>>>>>>>> for most of a season.
> >>>>>>>>>>
> >>>>>>>>>> I'm just thinking that after you're done racing the the car in
> >>>>>>>>>> Nevada that it would be worthwhile to switch to the hotter
> 3923's just to
> >>>>>>>>>> help keep the tuneup good on the engine.
> >>>>>>>>>>
> >>>>>>>>>> The headers should be here today and my plan is to run the
> engine
> >>>>>>>>>> for an hour or so this evening and get the dyno stuff done over
> the weekend
> >>>>>>>>>> if possible.
> >>>>>>>>>>
> >>>>>>>>>> Dave
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>> On Thu, Jul 31, 2014 at 5:47 PM, skwarek mark <
> mlskwarek at gmail.com
> >>>>>>>>>> > wrote:
> >>>>>>>>>>
> >>>>>>>>>>> Dave
> >>>>>>>>>>> Regarding the plugs. When you send me the engine have the race
> >>>>>>>>>>> plugs in it. I hardly drive it on the street. Too easy to get
> in trouble.
> >>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>> On Wed, Jul 30, 2014 at 12:10 PM, Dave McLain <
> >>>>>>>>>>> davidmclain39 at gmail.com> wrote:
> >>>>>>>>>>>
> >>>>>>>>>>>> I can do that and I think I have one in stock. I was going to
> >>>>>>>>>>>> get spark plugs today and I think I'll get two sets with some
> Autolite
> >>>>>>>>>>>> 3923's for street use and a set of racing plugs for the trek
> in Nevada.
> >>>>>>>>>>>> This morning I worked on getting the cold lash set and the
> distributor put
> >>>>>>>>>>>> in the engine so it should be ready to run soon.
> >>>>>>>>>>>>
> >>>>>>>>>>>> Dave
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>> On Wed, Jul 30, 2014 at 7:42 AM, skwarek mark <
> >>>>>>>>>>>> mlskwarek at gmail.com> wrote:
> >>>>>>>>>>>>
> >>>>>>>>>>>>> Why don't you order a replacement gear and replace it when
> you
> >>>>>>>>>>>>> are finished testing.
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>> On Tue, Jul 29, 2014 at 12:16 PM, skwarek mark <
> >>>>>>>>>>>>> mlskwarek at gmail.com> wrote:
> >>>>>>>>>>>>>
> >>>>>>>>>>>>>> I don't think there was any prep.
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>> On Tue, Jul 29, 2014 at 11:53 AM, Dave McLain <
> >>>>>>>>>>>>>> davidmclain39 at gmail.com> wrote:
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> I think what I'll do is give it a try for the dyno work and
> >>>>>>>>>>>>>>> then pull it and see how it looks. I always de-bur the
> gear on the cam
> >>>>>>>>>>>>>>> before I put it in the engine to try to help make the gear
> last longer. I
> >>>>>>>>>>>>>>> wonder if that was done on the previous build? It was
> also pulling a big
> >>>>>>>>>>>>>>> oil pump.
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> Dave
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> On Tue, Jul 29, 2014 at 10:45 AM, skwarek mark <
> >>>>>>>>>>>>>>> mlskwarek at gmail.com> wrote:
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> I would say less than 1,000 miles.
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>> On Tue, Jul 29, 2014 at 11:33 AM, Dave McLain <
> >>>>>>>>>>>>>>>> davidmclain39 at gmail.com> wrote:
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> I that that we'll get some good results on the dyno and
> out
> >>>>>>>>>>>>>>>>> on the road in NV. I was giving that distributor a good
> check out and I
> >>>>>>>>>>>>>>>>> think that the bronze gear will be ok to use again. It
> is probably about
> >>>>>>>>>>>>>>>>> 1/3 worn out and I was curious as to how long it has
> been run to get that
> >>>>>>>>>>>>>>>>> far..
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> Dave
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> On Tue, Jul 29, 2014 at 9:28 AM, skwarek mark <
> >>>>>>>>>>>>>>>>> mlskwarek at gmail.com> wrote:
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>> Dave,
> >>>>>>>>>>>>>>>>>> You have a whole bunch of Pantera guys waiting for the
> >>>>>>>>>>>>>>>>>> results. We are all rooting for you.
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>> Mark
> >>>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>> --
> >>>>>>>>>>>>>>>>> Please note new email address : davidmclain39 at gmail.com
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>> --
> >>>>>>>>>>>>>>> Please note new email address : davidmclain39 at gmail.com
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>>
> >>>>>>>>>>>>>>
> >>>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>> --
> >>>>>>>>>>>> Please note new email address : davidmclain39 at gmail.com
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>>
> >>>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>> --
> >>>>>>>>>> Please note new email address : davidmclain39 at gmail.com
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>>
> >>>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>> --
> >>>>>>>> Please note new email address : davidmclain39 at gmail.com
> >>>>>>>>
> >>>>>>>>
> >>>>>>>>
> >>>>>>>
> >>>>>>
> >>>>>>
> >>>>>> --
> >>>>>> Please note new email address : davidmclain39 at gmail.com
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>
> >>>>>
> >>>>> --
> >>>>> Please note new email address : davidmclain39 at gmail.com
> >>>>>
> >>>>>
> >>>>>
> >>>>
> >>>
> >>>
> >>> --
> >>> Please note new email address : davidmclain39 at gmail.com
> >>>
> >>>
> >>>
> >>
> >
> >
> >--
> >Please note new email address : davidmclain39 at gmail.com
> #5481's new heart beat. She'll be ready for SSCC. I'm sorry that she
> wasn't ready for prime time in Nebraska (SORC).
>
> ---------- Forwarded message ----------
> From: Dave McLain <davidmclain39 at gmail.com>
> Date: Sat, Aug 2, 2014 at 5:31 PM
> Subject: Re: Dyno
> To: skwarek mark <mlskwarek at gmail.com>
>
>
> I put a lot of effort into this stuff and I try to do the best job
> possible. Engine building is so much work anyway why not.... After a
> break for lunch I spent another couple of hours working on the jetting on
> your 830 to get it to run as good as possible. I knew that if my Holley
> was close to 20 horsepower better that there was a lot in the carburetor.
> The best combo ended up being 92 and 96 jets staggered with 30 degrees
> timing on the 1 inch HVH merge spacer. This it running through the Pantera
> headers with a 2 and half inch pipe and muffler I think that should reflect
> pretty close to what you're going to have in the car. I did some hold and
> go tests where I held at 5500rpm for 10 seconds before going to 7000 and
> even then 30 degrees timing was best. I think that after some new bowl
> gaskets that this thing will be ready to put in the crate.
>
> Dave
>
>
>
> On Sat, Aug 2, 2014 at 2:09 PM, skwarek mark <mlskwarek at gmail.com> wrote:
>
>> Dave,
>> You are really master engine builder. I can't thank you enough.
>>
>>
>> On Sat, Aug 2, 2014 at 3:07 PM, Dave McLain <davidmclain39 at gmail.com>
>> wrote:
>>
>>> The engine makes really good torque overall and now that I have the
>>> basic tuneup figured out I'm going to spend some time making sure that
>>> it'll be ok when the engine is run hard for a long period. What I'll do is
>>> start a pull from about 5500rpm after a hold of about 15-20 seconds. This
>>> will allow the head to get a good heat soak before the pull and it will
>>> allow me to determine the timing requirement for some hard running. I
>>> don't want to get too much timing in the engine.
>>>
>>> Dave
>>>
>>>
>>> On Sat, Aug 2, 2014 at 1:19 PM, skwarek mark <mlskwarek at gmail.com>
>>> wrote:
>>>
>>>> I am just blown away with your results. The results are so flat across
>>>> the RPM range, All I can say thanks.
>>>>
>>>> Mark
>>>>
>>>>
>>>> On Sat, Aug 2, 2014 at 2:11 PM, Dave McLain <davidmclain39 at gmail.com>
>>>> wrote:
>>>>
>>>>> For the next pull I swapped on my 950 HP that was built by Competition
>>>>> Carburetion just to see what was "in" the carburetor. The engine made the
>>>>> same overall torque numbers but picked up 17 horsepower at the peak. This
>>>>> carburetor is not necessarily the ultimate Holley or anything but it was
>>>>> built to be a good all around carburetor for testing on lots of different
>>>>> engines.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Sat, Aug 2, 2014 at 12:58 PM, Dave McLain <davidmclain39 at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> I've been doing some work on the engine this morning and so far I'm
>>>>>> at 600 horsepower at 6650rpm and 517lbs/ft torque at 5000. Best combo so
>>>>>> far is with 30 degrees timing and an HVH 1 inch merge spacer. Here's a
>>>>>> screen capture from a pull that I made a few minutes ago. I'm going to
>>>>>> break for lunch soon but I think I might mess with the jetting a bit and
>>>>>> call it good. This is with Dan Jones' Pantera headers flowing into a 2.5
>>>>>> inch glasspack muffler. Another thing I want to do is change the bushing
>>>>>> in this distributor to shorten up the curve which is way too long. This
>>>>>> will help to make the idle more consistent and I don't think it'll make it
>>>>>> tough to start hot. It would be best locked out but I don't know if you
>>>>>> have a provision to spin the engine and then light the spark.
>>>>>>
>>>>>> Dave
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Fri, Aug 1, 2014 at 11:50 PM, skwarek mark <mlskwarek at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> My friends are hoping for some video.
>>>>>>>
>>>>>>>
>>>>>>> On Fri, Aug 1, 2014 at 7:56 PM, Dave McLain <davidmclain39 at gmail.com
>>>>>>> > wrote:
>>>>>>>
>>>>>>>> Engine RUNS!
>>>>>>>>
>>>>>>>> I spent about an hour or so this evening running the engine,
>>>>>>>> getting the carburetor adjusted, setting the lash hot etc. It sounds very
>>>>>>>> nice. I have a few things to fix. I have a water leak on the big pipe
>>>>>>>> plugs at the end of each head which should be easy to fix with some epoxy
>>>>>>>> but other than that everything is working well. Tomorrow I'm going to get
>>>>>>>> some pulls done and see what this thing is going to do.....
>>>>>>>>
>>>>>>>> I think that stopping by here later in the year might be a great
>>>>>>>> plan because there's a LOT of stuff that's left over from the engine and
>>>>>>>> there's no way it'll fit in the crate.
>>>>>>>>
>>>>>>>> Dave
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On Fri, Aug 1, 2014 at 9:20 AM, skwarek mark <mlskwarek at gmail.com>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> Sounds great. I plan to stop by your place in mid October. That is
>>>>>>>>> when I'll be coming back from Nevada. I'll keep you posted as to when.
>>>>>>>>>
>>>>>>>>> Looking forward to you results.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Fri, Aug 1, 2014 at 9:53 AM, Dave McLain <
>>>>>>>>> davidmclain39 at gmail.com> wrote:
>>>>>>>>>
>>>>>>>>>> I think that's a good idea. I'll do the testing with the
>>>>>>>>>> "street" plugs and then switch it over to the "race" plugs before I send it
>>>>>>>>>> out to you. The street plugs I have for it are Autolite 3923's which are a
>>>>>>>>>> moderate heat range. I have had good results from them in an aluminum
>>>>>>>>>> headed application and they are hot enough to stay clean with normal
>>>>>>>>>> driving and a lot of cold start/short trip use. I'm just afraid that they
>>>>>>>>>> might be too hot in an application where the throttle will be held down for
>>>>>>>>>> 90 miles that's why I also picked up a set of the AR 3910's which are about
>>>>>>>>>> 2 heat ranges colder than the 3923's.
>>>>>>>>>>
>>>>>>>>>> Plugs can be really weird in this respect. Several years ago I
>>>>>>>>>> was having a problem with this in a circle track engine. The customer had
>>>>>>>>>> run the same plugs in the engine for over a season with no fouling or
>>>>>>>>>> trouble of any kind. In the off season he changed to another car with a
>>>>>>>>>> better chassis and I also worked on the engine package to find some more
>>>>>>>>>> power. He could run about four laps and burn up the plugs if the track was
>>>>>>>>>> pretty heavy(dirt track). But if the track was slightly slicker and had
>>>>>>>>>> less grip the plugs would look perfect and never cause a problem. I
>>>>>>>>>> installed a data logger on the car and the difference between the heavy and
>>>>>>>>>> normal track as far as the engine went was almost non existent. The time
>>>>>>>>>> he was off the throttle was only about 1/10 of a second less on the heavy
>>>>>>>>>> track but it was enough to cause a problem where the plug would go from
>>>>>>>>>> looking fine to absolutely burned up! Switching to something colder cured
>>>>>>>>>> the problem and they still stay clean enough that he can run a set of plugs
>>>>>>>>>> for most of a season.
>>>>>>>>>>
>>>>>>>>>> I'm just thinking that after you're done racing the the car in
>>>>>>>>>> Nevada that it would be worthwhile to switch to the hotter 3923's just to
>>>>>>>>>> help keep the tuneup good on the engine.
>>>>>>>>>>
>>>>>>>>>> The headers should be here today and my plan is to run the engine
>>>>>>>>>> for an hour or so this evening and get the dyno stuff done over the weekend
>>>>>>>>>> if possible.
>>>>>>>>>>
>>>>>>>>>> Dave
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Thu, Jul 31, 2014 at 5:47 PM, skwarek mark <
>>>>>>>>>> mlskwarek at gmail.com> wrote:
>>>>>>>>>>
>>>>>>>>>>> Dave
>>>>>>>>>>> Regarding the plugs. When you send me the engine have the race
>>>>>>>>>>> plugs in it. I hardly drive it on the street. Too easy to get in trouble.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On Wed, Jul 30, 2014 at 12:10 PM, Dave McLain <
>>>>>>>>>>> davidmclain39 at gmail.com> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> I can do that and I think I have one in stock. I was going to
>>>>>>>>>>>> get spark plugs today and I think I'll get two sets with some Autolite
>>>>>>>>>>>> 3923's for street use and a set of racing plugs for the trek in Nevada.
>>>>>>>>>>>> This morning I worked on getting the cold lash set and the distributor put
>>>>>>>>>>>> in the engine so it should be ready to run soon.
>>>>>>>>>>>>
>>>>>>>>>>>> Dave
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> On Wed, Jul 30, 2014 at 7:42 AM, skwarek mark <
>>>>>>>>>>>> mlskwarek at gmail.com> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> Why don't you order a replacement gear and replace it when you
>>>>>>>>>>>>> are finished testing.
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> On Tue, Jul 29, 2014 at 12:16 PM, skwarek mark <
>>>>>>>>>>>>> mlskwarek at gmail.com> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> I don't think there was any prep.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> On Tue, Jul 29, 2014 at 11:53 AM, Dave McLain <
>>>>>>>>>>>>>> davidmclain39 at gmail.com> wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> I think what I'll do is give it a try for the dyno work and
>>>>>>>>>>>>>>> then pull it and see how it looks. I always de-bur the gear on the cam
>>>>>>>>>>>>>>> before I put it in the engine to try to help make the gear last longer. I
>>>>>>>>>>>>>>> wonder if that was done on the previous build? It was also pulling a big
>>>>>>>>>>>>>>> oil pump.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Dave
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> On Tue, Jul 29, 2014 at 10:45 AM, skwarek mark <
>>>>>>>>>>>>>>> mlskwarek at gmail.com> wrote:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> I would say less than 1,000 miles.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> On Tue, Jul 29, 2014 at 11:33 AM, Dave McLain <
>>>>>>>>>>>>>>>> davidmclain39 at gmail.com> wrote:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> I that that we'll get some good results on the dyno and
>>>>>>>>>>>>>>>>> out on the road in NV. I was giving that distributor a good check out and
>>>>>>>>>>>>>>>>> I think that the bronze gear will be ok to use again. It is probably about
>>>>>>>>>>>>>>>>> 1/3 worn out and I was curious as to how long it has been run to get that
>>>>>>>>>>>>>>>>> far..
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Dave
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> On Tue, Jul 29, 2014 at 9:28 AM, skwarek mark <
>>>>>>>>>>>>>>>>> mlskwarek at gmail.com> wrote:
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Dave,
>>>>>>>>>>>>>>>>>> You have a whole bunch of Pantera guys waiting for the
>>>>>>>>>>>>>>>>>> results. We are all rooting for you.
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Mark
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>> Please note new email address : davidmclain39 at gmail.com
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>> Please note new email address : davidmclain39 at gmail.com
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> --
>>>>>>>>>>>> Please note new email address : davidmclain39 at gmail.com
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> Please note new email address : davidmclain39 at gmail.com
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Please note new email address : davidmclain39 at gmail.com
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Please note new email address : davidmclain39 at gmail.com
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Please note new email address : davidmclain39 at gmail.com
>>>>>
>>>>>
>>>>>
>>>>
>>>
>>>
>>> --
>>> Please note new email address : davidmclain39 at gmail.com
>>>
>>>
>>>
>>
>
>
> --
> Please note new email address : davidmclain39 at gmail.com
>
>
>
>
-------------- next part --------------
We're gonna miss you & Jim @ SORC this next week but don't worry, no
matter how much suffering it takes on the team's part we'll make sure
we drink you boyz's allotment of the beer we buy with your share of the
teams' sponsorship money!! :o)) Looks like your new engine is gonna be
a real bad boy & you should have a LOT of fun with it @ SSCC next
month! We all wish we could at least be there to cheer you guys on but
we've heard rumors that that scroungy pup might be out there??
HaHaHaHa...
We'll try & keep you guys all well informed of our adventures out here
in "God's country", however, internet connections in the big berg of
Arnold don't always measure up to what us big city boyz are used
to..................! Take Care.
Rowdy Bob & the Gang
A
On Sun, Aug 3, 2014 at 11:58 AM, TeamPantera <[1]teampantera at yahoo.com>
wrote:
Again very impressive numbers...well done Mark
MD
skwarek mark <[2]mlskwarek at gmail.com> wrote:
>#5481's new heart beat.A She'll be ready for SSCC. I'm sorry that she
>wasn't ready for prime time inA Nebraska (SORC).
>
>---------- Forwarded message ----------
>From: Dave McLain <[3]davidmclain39 at gmail.com>
>Date: Sat, Aug 2, 2014 at 5:31 PM
>Subject: Re: Dyno
>To: skwarek mark <[4]mlskwarek at gmail.com>
>
>
>I put a lot of effort into this stuff and I try to do the best job
>possible.A Engine building is so much work anyway why not....A After
a
>break for lunch I spent another couple of hours working on the jetting
on
>your 830 to get it to run as good as possible.A I knew that if my
Holley
>was close to 20 horsepower better that there was a lot in the
carburetor.
> The best combo ended up being 92 and 96 jets staggered with 30
degrees
>timing on the 1 inch HVH merge spacer.A This it running through the
Pantera
>headers with a 2 and half inch pipe and muffler I think that should
reflect
>pretty close to what you're going to have in the car.A I did some
hold and
>go tests where I held at 5500rpm for 10 seconds before going to 7000
and
>even then 30 degrees timing was best.A I think that after some new
bowl
>gaskets that this thing will be ready to put in the crate.
>
>Dave
>
>
>
>On Sat, Aug 2, 2014 at 2:09 PM, skwarek mark <[5]mlskwarek at gmail.com>
wrote:
>
>> Dave,
>> You are really master engine builder. I can't thank you enough.
>>
>>
>> On Sat, Aug 2, 2014 at 3:07 PM, Dave McLain
<[6]davidmclain39 at gmail.com>
>> wrote:
>>
>>> The engine makes really good torque overall and now that I have the
basic
>>> tuneup figured out I'm going to spend some time making sure that
it'll be
>>> ok when the engine is run hard for a long period.A What I'll do is
start a
>>> pull from about 5500rpm after a hold of about 15-20 seconds.A This
will
>>> allow the head to get a good heat soak before the pull and it will
allow me
>>> to determine the timing requirement for some hard running.A I
don't want to
>>> get too much timing in the engine.
>>>
>>> Dave
>>>
>>>
>>> On Sat, Aug 2, 2014 at 1:19 PM, skwarek mark
<[7]mlskwarek at gmail.com> wrote:
>>>
>>>> I am just blown away with your results. The results are so flat
across
>>>> the RPM range, All I can say thanks.
>>>>
>>>> Mark
>>>>
>>>>
>>>> On Sat, Aug 2, 2014 at 2:11 PM, Dave McLain
<[8]davidmclain39 at gmail.com>
>>>> wrote:
>>>>
>>>>> For the next pull I swapped on my 950 HP that was built by
Competition
>>>>> Carburetion just to see what was "in" the carburetor.A The
engine made the
>>>>> same overall torque numbers but picked up 17 horsepower at the
peak.A This
>>>>> carburetor is not necessarily the ultimate Holley or anything but
it was
>>>>> built to be a good all around carburetor for testing on lots of
different
>>>>> engines.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> On Sat, Aug 2, 2014 at 12:58 PM, Dave McLain
<[9]davidmclain39 at gmail.com>
>>>>> wrote:
>>>>>
>>>>>> I've been doing some work on the engine this morning and so far
I'm at
>>>>>> 600 horsepower at 6650rpm and 517lbs/ft torque at 5000.A Best
combo so far
>>>>>> is with 30 degrees timing and an HVH 1 inch merge spacer.A
Here's a screen
>>>>>> capture from a pull that I made a few minutes ago.A I'm going
to break for
>>>>>> lunch soon but I think I might mess with the jetting a bit and
call it
>>>>>> good.A This is with Dan Jones' Pantera headers flowing into a
2.5 inch
>>>>>> glasspack muffler.A Another thing I want to do is change the
bushing in
>>>>>> this distributor to shorten up the curve which is way too
long.A This will
>>>>>> help to make the idle more consistent and I don't think it'll
make it tough
>>>>>> to start hot.A It would be best locked out but I don't know if
you have a
>>>>>> provision to spin the engine and then light the spark.
>>>>>>
>>>>>> Dave
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Fri, Aug 1, 2014 at 11:50 PM, skwarek mark
<[10]mlskwarek at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> My friends are hoping for some video.
>>>>>>>
>>>>>>>
>>>>>>> On Fri, Aug 1, 2014 at 7:56 PM, Dave McLain
<[11]davidmclain39 at gmail.com>
>>>>>>> wrote:
>>>>>>>
>>>>>>>> Engine RUNS!
>>>>>>>>
>>>>>>>> I spent about an hour or so this evening running the engine,
getting
>>>>>>>> the carburetor adjusted, setting the lash hot etc.A It sounds
very nice.A I
>>>>>>>> have a few things to fix.A I have a water leak on the big
pipe plugs at the
>>>>>>>> end of each head which should be easy to fix with some epoxy
but other than
>>>>>>>> that everything is working well.A Tomorrow I'm going to get
some pulls done
>>>>>>>> and see what this thing is going to do.....
>>>>>>>>
>>>>>>>> I think that stopping by here later in the year might be a
great
>>>>>>>> plan because there's a LOT of stuff that's left over from the
engine and
>>>>>>>> there's no way it'll fit in the crate.
>>>>>>>>
>>>>>>>> Dave
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On Fri, Aug 1, 2014 at 9:20 AM, skwarek mark
<[12]mlskwarek at gmail.com>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> Sounds great. I plan to stop by your place in mid October.
That is
>>>>>>>>> when I'll be coming back from Nevada. I'll keep you posted as
to when.
>>>>>>>>>
>>>>>>>>> Looking forward to you results.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On Fri, Aug 1, 2014 at 9:53 AM, Dave McLain <
>>>>>>>>> [13]davidmclain39 at gmail.com> wrote:
>>>>>>>>>
>>>>>>>>>> I think that's a good idea.A I'll do the testing with the
"street"
>>>>>>>>>> plugs and then switch it over to the "race" plugs before I
send it out to
>>>>>>>>>> you.A The street plugs I have for it are Autolite 3923's
which are a
>>>>>>>>>> moderate heat range.A I have had good results from them in
an aluminum
>>>>>>>>>> headed application and they are hot enough to stay clean
with normal
>>>>>>>>>> driving and a lot of cold start/short trip use.A I'm just
afraid that they
>>>>>>>>>> might be too hot in an application where the throttle will
be held down for
>>>>>>>>>> 90 miles that's why I also picked up a set of the AR 3910's
which are about
>>>>>>>>>> 2 heat ranges colder than the 3923's.
>>>>>>>>>>
>>>>>>>>>> Plugs can be really weird in this respect.A Several years
ago I
>>>>>>>>>> was having a problem with this in a circle track engine.A
The customer had
>>>>>>>>>> run the same plugs in the engine for over a season with no
fouling or
>>>>>>>>>> trouble of any kind.A In the off season he changed to
another car with a
>>>>>>>>>> better chassis and I also worked on the engine package to
find some more
>>>>>>>>>> power.A He could run about four laps and burn up the plugs
if the track was
>>>>>>>>>> pretty heavy(dirt track).A But if the track was slightly
slicker and had
>>>>>>>>>> less grip the plugs would look perfect and never cause a
problem.A I
>>>>>>>>>> installed a data logger on the car and the difference
between the heavy and
>>>>>>>>>> normal track as far as the engine went was almost non
existent.A The time
>>>>>>>>>> he was off the throttle was only about 1/10 of a second less
on the heavy
>>>>>>>>>> track but it was enough to cause a problem where the plug
would go from
>>>>>>>>>> looking fine to absolutely burned up!A Switching to
something colder cured
>>>>>>>>>> the problem and they still stay clean enough that he can run
a set of plugs
>>>>>>>>>> for most of a season.
>>>>>>>>>>
>>>>>>>>>> I'm just thinking that after you're done racing the the car
in
>>>>>>>>>> Nevada that it would be worthwhile to switch to the hotter
3923's just to
>>>>>>>>>> help keep the tuneup good on the engine.
>>>>>>>>>>
>>>>>>>>>> The headers should be here today and my plan is to run the
engine
>>>>>>>>>> for an hour or so this evening and get the dyno stuff done
over the weekend
>>>>>>>>>> if possible.
>>>>>>>>>>
>>>>>>>>>> Dave
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Thu, Jul 31, 2014 at 5:47 PM, skwarek mark
<[14]mlskwarek at gmail.com
>>>>>>>>>> > wrote:
>>>>>>>>>>
>>>>>>>>>>> Dave
>>>>>>>>>>> Regarding the plugs. When you send me the engine have the
race
>>>>>>>>>>> plugs in it. I hardly drive it on the street. Too easy to
get in trouble.
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On Wed, Jul 30, 2014 at 12:10 PM, Dave McLain <
>>>>>>>>>>> [15]davidmclain39 at gmail.com> wrote:
>>>>>>>>>>>
>>>>>>>>>>>> I can do that and I think I have one in stock.A I was
going to
>>>>>>>>>>>> get spark plugs today and I think I'll get two sets with
some Autolite
>>>>>>>>>>>> 3923's for street use and a set of racing plugs for the
trek in Nevada.
>>>>>>>>>>>>A This morning I worked on getting the cold lash set and
the distributor put
>>>>>>>>>>>> in the engine so it should be ready to run soon.
>>>>>>>>>>>>
>>>>>>>>>>>> Dave
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> On Wed, Jul 30, 2014 at 7:42 AM, skwarek mark <
>>>>>>>>>>>> [16]mlskwarek at gmail.com> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> Why don't you order a replacement gear and replace it
when you
>>>>>>>>>>>>> are finished testing.
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> On Tue, Jul 29, 2014 at 12:16 PM, skwarek mark <
>>>>>>>>>>>>> [17]mlskwarek at gmail.com> wrote:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> I don'tA think there was any prep.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> On Tue, Jul 29, 2014 at 11:53 AM, Dave McLain <
>>>>>>>>>>>>>> [18]davidmclain39 at gmail.com> wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> I think what I'll do is give it a try for the dyno work
and
>>>>>>>>>>>>>>> then pull it and see how it looks.A I always de-bur
the gear on the cam
>>>>>>>>>>>>>>> before I put it in the engine to try to help make the
gear last longer.A I
>>>>>>>>>>>>>>> wonder if that was done on the previous build?A It was
also pulling a big
>>>>>>>>>>>>>>> oil pump.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Dave
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> On Tue, Jul 29, 2014 at 10:45 AM, skwarek mark <
>>>>>>>>>>>>>>> [19]mlskwarek at gmail.com> wrote:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> I would say less than 1,000 miles.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> On Tue, Jul 29, 2014 at 11:33 AM, Dave McLain <
>>>>>>>>>>>>>>>> [20]davidmclain39 at gmail.com> wrote:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> I that that we'll get some good results on the dyno
and out
>>>>>>>>>>>>>>>>> on the road in NV.A I was giving that distributor a
good check out and I
>>>>>>>>>>>>>>>>> think that the bronze gear will be ok to use again.A
It is probably about
>>>>>>>>>>>>>>>>> 1/3 worn out and I was curious as to how long it has
been run to get that
>>>>>>>>>>>>>>>>> far..
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> Dave
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> On Tue, Jul 29, 2014 at 9:28 AM, skwarek mark <
>>>>>>>>>>>>>>>>> [21]mlskwarek at gmail.com> wrote:
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Dave,
>>>>>>>>>>>>>>>>>> You have a whole bunch of Pantera guys waiting for
the
>>>>>>>>>>>>>>>>>> results. We are all rooting for you.
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>> Mark
>>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>>>> Please note new email address :A
[22]davidmclain39 at gmail.com
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> --
>>>>>>>>>>>>>>> Please note new email address :A
[23]davidmclain39 at gmail.com
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> --
>>>>>>>>>>>> Please note new email address :A
[24]davidmclain39 at gmail.com
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>> Please note new email address :A
[25]davidmclain39 at gmail.com
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> --
>>>>>>>> Please note new email address :A [26]davidmclain39 at gmail.com
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> Please note new email address :A [27]davidmclain39 at gmail.com
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Please note new email address :A [28]davidmclain39 at gmail.com
>>>>>
>>>>>
>>>>>
>>>>
>>>
>>>
>>> --
>>> Please note new email address :A [29]davidmclain39 at gmail.com
>>>
>>>
>>>
>>
>
>
>--
>Please note new email address :A [30]davidmclain39 at gmail.com
#5481's new heart beat.A A She'll be ready for SSCC. I'm sorry that she
wasn't ready for prime time inA Nebraska (SORC).
---------- Forwarded message ----------
From: Dave McLain <[31]davidmclain39 at gmail.com>
Date: Sat, Aug 2, 2014 at 5:31 PM
Subject: Re: Dyno
To: skwarek mark <[32]mlskwarek at gmail.com>
I put a lot of effort into this stuff and I try to do the best job
possible. A Engine building is so much work anyway why not.... A After
a break for lunch I spent another couple of hours working on the
jetting on your 830 to get it to run as good as possible. A I knew that
if my Holley was close to 20 horsepower better that there was a lot in
the carburetor. A The best combo ended up being 92 and 96 jets
staggered with 30 degrees timing on the 1 inch HVH merge spacer. A This
it running through the Pantera headers with a 2 and half inch pipe and
muffler I think that should reflect pretty close to what you're going
to have in the car. A I did some hold and go tests where I held at
5500rpm for 10 seconds before going to 7000 and even then 30 degrees
timing was best. A I think that after some new bowl gaskets that this
thing will be ready to put in the crate.
Dave
On Sat, Aug 2, 2014 at 2:09 PM, skwarek mark <[33]mlskwarek at gmail.com>
wrote:
Dave,
You are really master engine builder. I can't thank you enough.
On Sat, Aug 2, 2014 at 3:07 PM, Dave McLain
<[34]davidmclain39 at gmail.com> wrote:
The engine makes really good torque overall and now that I have the
basic tuneup figured out I'm going to spend some time making sure that
it'll be ok when the engine is run hard for a long period. A What I'll
do is start a pull from about 5500rpm after a hold of about 15-20
seconds. A This will allow the head to get a good heat soak before the
pull and it will allow me to determine the timing requirement for some
hard running. A I don't want to get too much timing in the engine.
Dave
On Sat, Aug 2, 2014 at 1:19 PM, skwarek mark <[35]mlskwarek at gmail.com>
wrote:
I am just blown away with your results.A The results are so flat across
the RPM range, All I can say thanks.
Mark
On Sat, Aug 2, 2014 at 2:11 PM, Dave McLain
<[36]davidmclain39 at gmail.com> wrote:
For the next pull I swapped on my 950 HP that was built by Competition
Carburetion just to see what was "in" the carburetor. A The engine made
the same overall torque numbers but picked up 17 horsepower at the
peak. A This carburetor is not necessarily the ultimate Holley or
anything but it was built to be a good all around carburetor for
testing on lots of different engines.
On Sat, Aug 2, 2014 at 12:58 PM, Dave McLain
<[37]davidmclain39 at gmail.com> wrote:
I've been doing some work on the engine this morning and so far I'm at
600 horsepower at 6650rpm and 517lbs/ft torque at 5000. A Best combo so
far is with 30 degrees timing and an HVH 1 inch merge spacer. A Here's
a screen capture from a pull that I made a few minutes ago. A I'm going
to break for lunch soon but I think I might mess with the jetting a bit
and call it good. A This is with Dan Jones' Pantera headers flowing
into a 2.5 inch glasspack muffler. A Another thing I want to do is
change the bushing in this distributor to shorten up the curve which is
way too long. A This will help to make the idle more consistent and I
don't think it'll make it tough to start hot. A It would be best locked
out but I don't know if you have a provision to spin the engine and
then light the spark.
Dave
On Fri, Aug 1, 2014 at 11:50 PM, skwarek mark <[38]mlskwarek at gmail.com>
wrote:
My friends are hoping for some video.
On Fri, Aug 1, 2014 at 7:56 PM, Dave McLain
<[39]davidmclain39 at gmail.com> wrote:
Engine RUNS!
I spent about an hour or so this evening running the engine, getting
the carburetor adjusted, setting the lash hot etc. A It sounds very
nice. A I have a few things to fix. A I have a water leak on the big
pipe plugs at the end of each head which should be easy to fix with
some epoxy but other than that everything is working well. A Tomorrow
I'm going to get some pulls done and see what this thing is going to
do.....
I think that stopping by here later in the year might be a great plan
because there's a LOT of stuff that's left over from the engine and
there's no way it'll fit in the crate.
Dave
On Fri, Aug 1, 2014 at 9:20 AM, skwarek mark <[40]mlskwarek at gmail.com>
wrote:
Sounds great. I plan to stop by your place in mid October. That is when
I'll be coming back from Nevada. I'll keep you posted as to when.
Looking forward to you results.
On Fri, Aug 1, 2014 at 9:53 AM, Dave McLain
<[41]davidmclain39 at gmail.com> wrote:
I think that's a good idea. A I'll do the testing with the "street"
plugs and then switch it over to the "race" plugs before I send it out
to you. A The street plugs I have for it are Autolite 3923's which are
a moderate heat range. A I have had good results from them in an
aluminum headed application and they are hot enough to stay clean with
normal driving and a lot of cold start/short trip use. A I'm just
afraid that they might be too hot in an application where the throttle
will be held down for 90 miles that's why I also picked up a set of the
AR 3910's which are about 2 heat ranges colder than the 3923's. A A
Plugs can be really weird in this respect. A Several years ago I was
having a problem with this in a circle track engine. A The customer had
run the same plugs in the engine for over a season with no fouling or
trouble of any kind. A In the off season he changed to another car with
a better chassis and I also worked on the engine package to find some
more power. A He could run about four laps and burn up the plugs if the
track was pretty heavy(dirt track). A But if the track was slightly
slicker and had less grip the plugs would look perfect and never cause
a problem. A I installed a data logger on the car and the difference
between the heavy and normal track as far as the engine went was almost
non existent. A The time he was off the throttle was only about 1/10 of
a second less on the heavy track but it was enough to cause a problem
where the plug would go from looking fine to absolutely burned up!
A Switching to something colder cured the problem and they still stay
clean enough that he can run a set of plugs for most of a season.
I'm just thinking that after you're done racing the the car in Nevada
that it would be worthwhile to switch to the hotter 3923's just to help
keep the tuneup good on the engine.A
The headers should be here today and my plan is to run the engine for
an hour or so this evening and get the dyno stuff done over the weekend
if possible.
Dave A A
On Thu, Jul 31, 2014 at 5:47 PM, skwarek mark <[42]mlskwarek at gmail.com>
wrote:
Dave
Regarding the plugs. When you send me the engine have the race plugs in
it. I hardly drive it on the street. Too easy to get in trouble.
On Wed, Jul 30, 2014 at 12:10 PM, Dave McLain
<[43]davidmclain39 at gmail.com> wrote:
I can do that and I think I have one in stock. A I was going to get
spark plugs today and I think I'll get two sets with some Autolite
3923's for street use and a set of racing plugs for the trek in Nevada.
A This morning I worked on getting the cold lash set and the
distributor put in the engine so it should be ready to run soon.
Dave
On Wed, Jul 30, 2014 at 7:42 AM, skwarek mark <[44]mlskwarek at gmail.com>
wrote:
Why don't you order a replacement gear and replace it when you are
finished testing.
On Tue, Jul 29, 2014 at 12:16 PM, skwarek mark
<[45]mlskwarek at gmail.com> wrote:
I don'tA think there was any prep.
On Tue, Jul 29, 2014 at 11:53 AM, Dave McLain
<[46]davidmclain39 at gmail.com> wrote:
I think what I'll do is give it a try for the dyno work and then pull
it and see how it looks. A I always de-bur the gear on the cam before I
put it in the engine to try to help make the gear last longer. A I
wonder if that was done on the previous build? A It was also pulling a
big oil pump.
Dave
On Tue, Jul 29, 2014 at 10:45 AM, skwarek mark
<[47]mlskwarek at gmail.com> wrote:
I would say less than 1,000 miles.
On Tue, Jul 29, 2014 at 11:33 AM, Dave McLain
<[48]davidmclain39 at gmail.com> wrote:
I that that we'll get some good results on the dyno and out on the road
in NV. A I was giving that distributor a good check out and I think
that the bronze gear will be ok to use again. A It is probably about
1/3 worn out and I was curious as to how long it has been run to get
that far..
Dave
On Tue, Jul 29, 2014 at 9:28 AM, skwarek mark <[49]mlskwarek at gmail.com>
wrote:
Dave,
You have a whole bunch of Pantera guys waiting for the results. We are
all rooting for you.
Mark
--
Please note new email address : A [50]davidmclain39 at gmail.com
--
Please note new email address : A [51]davidmclain39 at gmail.com
--
Please note new email address : A [52]davidmclain39 at gmail.com
--
Please note new email address : A [53]davidmclain39 at gmail.com
--
Please note new email address : A [54]davidmclain39 at gmail.com
--
Please note new email address : A [55]davidmclain39 at gmail.com
--
Please note new email address : A [56]davidmclain39 at gmail.com
--
Please note new email address : A [57]davidmclain39 at gmail.com
--
Please note new email address : A [58]davidmclain39 at gmail.com
References
1. mailto:teampantera at yahoo.com
2. mailto:mlskwarek at gmail.com
3. mailto:davidmclain39 at gmail.com
4. mailto:mlskwarek at gmail.com
5. mailto:mlskwarek at gmail.com
6. mailto:davidmclain39 at gmail.com
7. mailto:mlskwarek at gmail.com
8. mailto:davidmclain39 at gmail.com
9. mailto:davidmclain39 at gmail.com
10. mailto:mlskwarek at gmail.com
11. mailto:davidmclain39 at gmail.com
12. mailto:mlskwarek at gmail.com
13. mailto:davidmclain39 at gmail.com
14. mailto:mlskwarek at gmail.com
15. mailto:davidmclain39 at gmail.com
16. mailto:mlskwarek at gmail.com
17. mailto:mlskwarek at gmail.com
18. mailto:davidmclain39 at gmail.com
19. mailto:mlskwarek at gmail.com
20. mailto:davidmclain39 at gmail.com
21. mailto:mlskwarek at gmail.com
22. mailto:davidmclain39 at gmail.com
23. mailto:davidmclain39 at gmail.com
24. mailto:davidmclain39 at gmail.com
25. mailto:davidmclain39 at gmail.com
26. mailto:davidmclain39 at gmail.com
27. mailto:davidmclain39 at gmail.com
28. mailto:davidmclain39 at gmail.com
29. mailto:davidmclain39 at gmail.com
30. mailto:davidmclain39 at gmail.com
31. mailto:davidmclain39 at gmail.com
32. mailto:mlskwarek at gmail.com
33. mailto:mlskwarek at gmail.com
34. mailto:davidmclain39 at gmail.com
35. mailto:mlskwarek at gmail.com
36. mailto:davidmclain39 at gmail.com
37. mailto:davidmclain39 at gmail.com
38. mailto:mlskwarek at gmail.com
39. mailto:davidmclain39 at gmail.com
40. mailto:mlskwarek at gmail.com
41. mailto:davidmclain39 at gmail.com
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