[DeTomaso] Fw: Solid Lifter HIGH Lift Roller Cam Adjustment(WasEngineOil Analysis / Willow Springs Update)

Donny Williams donnylee at ccwebster.net
Sun Mar 11 11:32:45 EDT 2007


I agree with John.

Though my Crane Solid Roller in my Cleveland has spec for a looser lash 
setting. Is  0.20 Hot  This Cam is.620 lift Crane Roller.  Where I have a 
solid Flat Tappet in another engine its spec is 0.18

----- Original Message ----- 
From: "John Taphorn" <jtaphorn at kingwoodcable.com>
To: "Dan Courtney" <dfcex at pacbell.net>; <detomaso at realbig.com>
Sent: Saturday, March 10, 2007 2:16 PM
Subject: Re: [DeTomaso] Fw: Solid Lifter HIGH Lift Roller Cam 
Adjustment(WasEngineOil Analysis / Willow Springs Update)


> Dan
>
> If it is a roller cam, I recommend that you pull the lifters and inspect 
> the needle bearings in the rollers.  Increased valve lash is the first 
> symptom of needle bearing compromise or wear.  Failure to address this 
> condition in its early stages will destroy the cam, lifters and distribute 
> metal shavings throughout the engine.
>
> Those little needle bearings in the lifter's roller will not survive the 
> pounding of excessive lash that occurs when the rocker arm smacks the tip 
> of the valve.  At this point the cam lobe's acceleration ramp has 
> steepened and when the valve train comes together at zero lash that needle 
> bearing is the weak link and can't stand the pressure.
>
> Actually, it is probably a case of chicken or the egg.  Did sloppy lash 
> cause the bearings to pound out or did powdered bearings cause the lash. 
> Either way, I suspect that is one of your present issues.
>
> Check the needle bearings in the rollers
>
> JT
> ----- Original Message ----- 
> From: "Dan Courtney" <dfcex at pacbell.net>
> To: <detomaso at realbig.com>
> Sent: Saturday, March 10, 2007 1:08 PM
> Subject: [DeTomaso] Fw: Solid Lifter HIGH Lift Roller Cam Adjustment 
> (WasEngineOil Analysis / Willow Springs Update)
>
>
>>
>>
>>> Thanks Donny, it is a roller cam.
>>> Dan
>>>
>>>
>>> -----Original Message-----
>>> From: "Donny Williams" <donnylee at ccwebster.net>
>>> To: "Dan Courtney" <dfcex at pacbell.net>; "Mad Dog Antenucci"
>>> <teampantera at yahoo.com>; "detomaso at realbig.com" <detomaso at realbig.com>
>>> Sent: 3/10/07 8:59 AM
>>> Subject: Re: [DeTomaso] Solid Lifter HIGH Lift Roller Cam Adjustment 
>>> (Was
>>> EngineOil Analysis / Willow Springs Update)
>>>
>>> Dan-  You probably have zero-ed in on your ill.... They should not be
>>> loose
>>> as heck!  They should have .020-.024 clearance max open.   We talking a
>>> roller or flat tappet here? Curious.
>>>
>>> All solid lifter cams are set with a feeler gauge.  You will have to 
>>> roll
>>> the engine to get the valve on the base circle  Fully Open on the cam. 
>>> If
>>> you fail to do this your lash setting adjustment will end up being 
>>> looser
>>> then an X rated film.  Always go back and verify your 
>>> settings/adjustment
>>> a
>>> second time is my sound advise unless you are a pro at it!
>>>
>>> ----- Original Message ----- 
>>> From: "Dan Courtney" <dfcex at pacbell.net>
>>> To: "Donny Williams" <donnylee at ccwebster.net>; "Mad Dog Antenucci"
>>> <teampantera at yahoo.com>; <detomaso at realbig.com>
>>> Sent: Saturday, March 10, 2007 1:08 AM
>>> Subject: [DeTomaso] Solid Lifter HIGH Lift Roller Cam Adjustment (Was
>>> EngineOil Analysis / Willow Springs Update)
>>>
>>>
>>>> I'm going to yank the distributor in the AM but before I pull the 
>>>> rockers
>>>> and check the pushrods I want to see how far out of adjustment this cam
>>>> is
>>>> (4 or 5 on each side loose as heck as they sit).
>>>> Does anyone know how much clearance there should be, or are all solid
>>>> lifter
>>>> cams adjusted by the same method?
>>>> Could well have been pushrods I heard. At first I thought my electric
>>>> fuel
>>>> pump was working overtime, remembered I had a full 10 gallon cell, and
>>>> then
>>>> it got louder, all during one lap.
>>>> I'm also sending out a specimen and dissecting the oil filter.
>>>>
>>>> Dan
>>>> Dan F. Courtney
>>>>
>>>>
>>>> Excalibur Commercial Real Estate Services
>>>> La Jolla, CA
>>>>
>>>> Phone (858) 551-5455
>>>> Fax (858) 551-5456
>>>>
>>>> ----- Original Message ----- 
>>>> From: "Donny Williams" <donnylee at ccwebster.net>
>>>> To: "Dan Courtney" <dfcex at pacbell.net>; "Mad Dog Antenucci"
>>>> <teampantera at yahoo.com>; <detomaso at realbig.com>
>>>> Sent: Friday, March 09, 2007 3:24 PM
>>>> Subject: Re: [DeTomaso] Engine Oil Analysis / Willow Springs Update
>>>>
>>>>
>>>>> Because I have not used them I am not sure if they do metelurgy or not
>>>>> you
>>>>> would have to ask them.  If its Dizzy gear it will have a golden sheen
>>>>> to
>>>>> it.  If it silver sheen not so good..... If you cut that filter apart
>>>>> you
>>>>> will be suprised what you see in there and should be able to identify
>>>>> the
>>>>> metal type yourself by the color.
>>>>>
>>>>> The fact you have dropped no oil pressure is a very good signal at
>>>>> least.
>>>>> Did you check to make you do not maybe have a bent pushrod?  That 
>>>>> sounds
>>>>> pretty plausible in this.    Is it a knock or a loud tap your hearing?
>>>>> I
>>>>> would try to isolate that area if you can, and still stand on where I
>>>>> would begin to check and try, before I decided to yank it.
>>>>>
>>>>>
>>>>> ----- Original Message ----- 
>>>>> From: "Dan Courtney" <dfcex at pacbell.net>
>>>>> To: "Donny Williams" <donnylee at ccwebster.net>; "Mad Dog Antenucci"
>>>>> <teampantera at yahoo.com>; <detomaso at realbig.com>
>>>>> Sent: Friday, March 09, 2007 2:14 PM
>>>>> Subject: Re: [DeTomaso] Engine Oil Analysis / Willow Springs Update
>>>>>
>>>>>
>>>>>> Donny,
>>>>>>
>>>>>> Right, no drop at all in oil pressure. Couldn't tell where the
>>>>>> knock/clap
>>>>>> was coming from.
>>>>>> If I send the oil in for analysis, can they tell the difference 
>>>>>> between
>>>>>> the dis gear and bearings?
>>>>>>
>>>>>> Dan
>>>>>> Dan F. Courtney
>>>>>>
>>>>>>
>>>>>> Excalibur Commercial Real Estate Services
>>>>>> La Jolla, CA
>>>>>>
>>>>>> Phone (858) 551-5455
>>>>>> Fax (858) 551-5456
>>>>>>
>>>>>> ----- Original Message ----- 
>>>>>> From: "Donny Williams" <donnylee at ccwebster.net>
>>>>>> To: "Dan Courtney" <dfcex at pacbell.net>; "Mad Dog Antenucci"
>>>>>> <teampantera at yahoo.com>; <detomaso at realbig.com>
>>>>>> Sent: Friday, March 09, 2007 2:08 PM
>>>>>> Subject: Re: [DeTomaso] Engine Oil Analysis / Willow Springs Update
>>>>>>
>>>>>>
>>>>>>> Dan I am betting it is your bronze gear your seeing in the oil, and
>>>>>>> its
>>>>>>> nothing more then a rocker adjustment if your not knocking somewhere
>>>>>>> low!
>>>>>>>
>>>>>>> My plan would be pull the dizzy look at your gear for wear, change 
>>>>>>> the
>>>>>>> oil filters, I might inspect the bottom of your lifters if they are
>>>>>>> roller then adjust up your rockers and give it a whirl.... You did 
>>>>>>> not
>>>>>>> drop oil pressure right?   I am now betting your problem is nothing
>>>>>>> more
>>>>>>> then some top end maintenance.   And I am sure you hope the same. 
>>>>>>> You
>>>>>>> might just be ok here Mister............
>>>>>>>
>>>>>>>
>>>>>>> ----- Original Message ----- 
>>>>>>> From: "Dan Courtney" <dfcex at pacbell.net>
>>>>>>> To: "Donny Williams" <donnylee at ccwebster.net>; "Mad Dog Antenucci"
>>>>>>> <teampantera at yahoo.com>; <detomaso at realbig.com>
>>>>>>> Sent: Friday, March 09, 2007 1:05 PM
>>>>>>> Subject: Re: [DeTomaso] Engine Oil Analysis / Willow Springs Update
>>>>>>>
>>>>>>>
>>>>>>>> Donny,
>>>>>>>>
>>>>>>>> I may just do that. There is a bronze gear and the rockers are very
>>>>>>>> loose, so it MAY be just the solid lifter cam in need of 
>>>>>>>> adjustment,
>>>>>>>> but I'd hate to guess wrong (again).
>>>>>>>> I just finished dropping a rebuilt SBC into my 67 Chevy trailer
>>>>>>>> hauler
>>>>>>>> last night so the cherry picker is still assembled and in the
>>>>>>>> garage...
>>>>>>>>
>>>>>>>> Dan
>>>>>>>> Dan F. Courtney
>>>>>>>>
>>>>>>>>
>>>>>>>> Excalibur Commercial Real Estate Services
>>>>>>>> La Jolla, CA
>>>>>>>>
>>>>>>>> Phone (858) 551-5455
>>>>>>>> Fax (858) 551-5456
>>>>>>>>
>>>>>>>> ----- Original Message ----- 
>>>>>>>> From: "Donny Williams" <donnylee at ccwebster.net>
>>>>>>>> To: "Mad Dog Antenucci" <teampantera at yahoo.com>; "Dan Courtney"
>>>>>>>> <dfcex at pacbell.net>; <detomaso at realbig.com>
>>>>>>>> Sent: Friday, March 09, 2007 11:02 AM
>>>>>>>> Subject: Re: [DeTomaso] Engine Oil Analysis / Willow Springs Update
>>>>>>>>
>>>>>>>>
>>>>>>>>> My thought is if you have metallic sheen thats all you need to 
>>>>>>>>> know.
>>>>>>>>> Cut your filter and look for metal imbedded in the element.  If 
>>>>>>>>> you
>>>>>>>>> got noise I am betting bearings.  Are you running a bronze dizzy
>>>>>>>>> gear?
>>>>>>>>> That could be a source of sheen, but so is copper bearing.....
>>>>>>>>> Change
>>>>>>>>> the oil hope for the best, or pull it out which would be a 
>>>>>>>>> direction
>>>>>>>>> you would have to take to inspect it properly anyway.  What does 
>>>>>>>>> the
>>>>>>>>> noise sound like? Personally, I would save your money on the oil
>>>>>>>>> analysis, heck, you already know you got metal...He would just say
>>>>>>>>> yep
>>>>>>>>> there is metal in your oil........At that point its not that
>>>>>>>>> important
>>>>>>>>> what type, you will have to pull it out anyway to fix it.  And
>>>>>>>>> should
>>>>>>>>> be easy to find the source with the inspection.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> ----- Original Message ----- 
>>>>>>>>> From: "Mad Dog Antenucci" <teampantera at yahoo.com>
>>>>>>>>> To: "Dan Courtney" <dfcex at pacbell.net>; <detomaso at realbig.com>
>>>>>>>>> Sent: Friday, March 09, 2007 10:25 AM
>>>>>>>>> Subject: Re: [DeTomaso] Engine Oil Analysis / Willow Springs 
>>>>>>>>> Update
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>> Thanks for race report.....sorry to hear about your 
>>>>>>>>>> engine.....you
>>>>>>>>>> drain the oil and pull filters yet?  Do a leak down test?  As Bob
>>>>>>>>>> Benson likes to say if you aren't breaking anything you aren't
>>>>>>>>>> trying
>>>>>>>>>> hard enough.
>>>>>>>>>>
>>>>>>>>>>  md
>>>>>>>>>>
>>>>>>>>>> Dan Courtney <dfcex at pacbell.net> wrote:
>>>>>>>>>>  I was wondering if anyone remembers the contact info for the
>>>>>>>>>> company
>>>>>>>>>> that performs an analysis of engine oil.
>>>>>>>>>> "The Beast" got a hard work-out at Willow Springs last week and 
>>>>>>>>>> was
>>>>>>>>>> making some noise by Sunday afternoon.
>>>>>>>>>> Nothing obvious when I pulled the valve covers but the oil has a
>>>>>>>>>> metallic sheen.
>>>>>>>>>> Speaking of Willow Springs, we had a decent showing of Panteras
>>>>>>>>>> but,
>>>>>>>>>> sadly, no Panteras ran in the exhibition race, for the first time 
>>>>>>>>>> I
>>>>>>>>>> can recall.
>>>>>>>>>> I arrived late and had no chance to warm up, Greg Esakoff snaped
>>>>>>>>>> the
>>>>>>>>>> input shaft of his ZF Friday, Chris Qualls (sp) had an axle snap
>>>>>>>>>> Saturday morning and went 4 wheeling and the other Panteras 
>>>>>>>>>> present
>>>>>>>>>> (Jim Saxtons Group IV, now owned by Jeff), Dr. Abe, and a 
>>>>>>>>>> beautiful
>>>>>>>>>> red former Woodhouse Pantera all ran different groups.
>>>>>>>>>> The red group was very fast with alot of blazing fast Porches,
>>>>>>>>>> Ferraris and Vipers leading the pack. "The Beast" was holding 
>>>>>>>>>> it's
>>>>>>>>>> own by Sunday afternoon but some of those cars were just too darn
>>>>>>>>>> fast.
>>>>>>>>>>
>>>>>>>>>> Dan
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Dan F. Courtney
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Excalibur Commercial Real Estate Services
>>>>>>>>>> La Jolla, CA
>>>>>>>>>>
>>>>>>>>>> Phone (858) 551-5455
>>>>>>>>>> Fax (858) 551-5456
>>>>>>>>>> _______________________________________________
>>>>>>>>>>
>>>>>>>>>> Detomaso Forum Managed by POCA
>>>>>>>>>>
>>>>>>>>>> Archive Search Engine Now Available at
>>>>>>>>>> http://www.realbig.com/detomaso/
>>>>>>>>>>
>>>>>>>>>> DeTomaso mailing list
>>>>>>>>>> DeTomaso at list.realbig.com
>>>>>>>>>> http://list.realbig.com/mailman/listinfo/detomaso
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> Mad Dawg Antenucci
>>>>>>>>>> Team Pantera Racing
>>>>>>>>>>  The 1st & still the only vintage race team in open road racing
>>>>>>>>>> www.teampanteraracing.com
>>>>>>>>>> _______________________________________________
>>>>>>>>>>
>>>>>>>>>> Detomaso Forum Managed by POCA
>>>>>>>>>>
>>>>>>>>>> Archive Search Engine Now Available at
>>>>>>>>>> http://www.realbig.com/detomaso/
>>>>>>>>>>
>>>>>>>>>> DeTomaso mailing list
>>>>>>>>>> DeTomaso at list.realbig.com
>>>>>>>>>> http://list.realbig.com/mailman/listinfo/detomaso
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>> _______________________________________________
>>>>
>>>> Detomaso Forum Managed by POCA
>>>>
>>>> Archive Search Engine Now Available at http://www.realbig.com/detomaso/
>>>>
>>>> DeTomaso mailing list
>>>> DeTomaso at list.realbig.com
>>>> http://list.realbig.com/mailman/listinfo/detomaso
>>>>
>>>>
>>>
>>>
>>>
>>>
>>
>>
>> _______________________________________________
>>
>> Detomaso Forum Managed by POCA
>>
>> Archive Search Engine Now Available at http://www.realbig.com/detomaso/
>>
>> DeTomaso mailing list
>> DeTomaso at list.realbig.com
>> http://list.realbig.com/mailman/listinfo/detomaso
>
>
> _______________________________________________
>
> Detomaso Forum Managed by POCA
>
> Archive Search Engine Now Available at http://www.realbig.com/detomaso/
>
> DeTomaso mailing list
> DeTomaso at list.realbig.com
> http://list.realbig.com/mailman/listinfo/detomaso
>
> 





More information about the DeTomaso mailing list