[DeTomaso] Engine help needed - I've got gas! (or my car does....)
Thomas Törnblom
tipo874 at gmail.com
Sat Nov 12 16:50:48 EST 2016
I think you would be better off shutting down the engine while you wait.
> 12 nov. 2016 kl. 22:21 skrev Asa Jay Laughton <asajay at asajay.com>:
>
> Revving the engine to 3,000 or more would probably help, but not
> guarantee you a pass. You'd need to hold it there for five or 10
> seconds. You've probably passed before because the wait wasn't too
> long.
> Asa
> Asa Jay Laughton - W7TSC, MSgt, USAFR, Retired
> & Shelley Marie
> Spokane, WA
> ******************************
> [1]http://w7tsc.org
> [2]http://www.teampanteraracing.com
>
> On 11/12/2016 12:44 PM, Charles McCall wrote:
>
> OK, thanks. It's very helpful to understand the theory - now I have a
> problem in applying it. I have a nice, 20 minute highway drive to the
> testing station, but the only way to reach the sniffer is to get in
> line and wait.
>
>
> Yesterday was very frustrating - typically the wait is 10-15 minutes,
> and I don't know what happened yesterday but the wait was horrible. I
> knew that a cold engine was a problem so I kept the engine running.
> It's cold here in November, and 45 minutes with the engine shut off
> would mean a fairly cold block.
>
>
> I wonder which is worse - shutting the engine off (cold engine but
> without all the carbon/etc) or letting it idle (warm engine but carbon)
>
>
> The wait isn't something I can control. Would just revving the heck out
> of the engine before entering the test bay help blow the cobwebs out?
>
>
> From: Asa Jay Laughton [[3]mailto:asajay at asajay.com]
> Sent: sabado, 12 de noviembre de 2016 20:53
> To: Charles McCall
> Cc: [4]detomaso at server.detomasolist.com
> Subject: Re: [DeTomaso] Engine help needed - I've got gas! (or my car
> does....)
>
>
> No Charlie, you misunderstand...
>
> An engine IDLED for 45 minutes is nearly guaranteed to FAIL. It will
> be so loaded with carbon it can't possibly pass, no matter how "warmed
> up it is."
>
>
> You need to be DRIVING it for 45 minutes and immediately test it. It
> needs to be taken through the gears, engine rpms taken high,..... Blow
> out the cobwebs, the carbon build-up, etc. Then test. If you idle for
> any length of time waiting in line... rinse and repeat. Do NOT spend
> time idling in line, it will kill your test.
>
>
> Asa
>
>
> Sent using Jedi Mind Tricks
>
> Charles McCall <[5]charlesmccall at gmail.com> wrote:
> Thank you to all who answered.
> I understand that a warm engine will contaminate less. The car was
> literally
> idling for 45 minutes before testing, albeit in 45F ambient
> temperatures, so
> I think it was properly warmed up. Due to the lines and waiting, it
> would be
> difficult to come off the highway and roll right into a test bay, but I
> can
> let it idle for as long as I'd like before entering the bay. The lines
> tend
> to be pretty long where I go anyway...
> I understand that higher rpms will reduce contamination, and therefore
> we
> should all drive faster to save the planet! I'll raise the rpm a little
> for
> the test.
> I'm reluctant to fiddle with leaning out the idle or playing with the
> timing
> - neither have been touched since previous years so I have to believe
> that
> the current settings can work.
> I'm also cautiously optimistic that the air filter is really, really
> clogged. I've spent a weekend camping at Le Mans Classic in the dust,
> driven
> down a 2,5 km dirt road a bunch of times in Denmark, etc etc. Tomorrow
> it's
> supposed to be nice so I'll drive around the block with the air cleaner
> removed and see if I notice any difference. If it's clogged enough to
> make
> me fail emissions, maybe I'll notice something with the
> seat-of-the-pants-o-meter.
> Thanks again!
> -----Original Message-----
> From: DeTomaso [[6]mailto:detomaso-bounces at server.detomasolist.com] On
> Behalf
> Of Asa Jay Laughton
> Sent: sabado, 12 de noviembre de 2016 17:47
> To: [7]detomaso at server.detomasolist.com
> Subject: Re: [DeTomaso] Engine help needed - I've got gas! (or my car
> does....)
> Also, make sure the engine is good and hot (not overheating). Take it
> for a good long spirited drive and then immediately have the emissions
> tested. If the line is too long... come back again later. You get
> better test results when it's been running good and hot for a while.
> Asa
> Asa Jay Laughton - W7TSC, MSgt, USAFR, Retired
> & Shelley Marie
> Spokane, WA
> ******************************
> [8]http://w7tsc.org
> [9]http://www.teampanteraracing.com
>> On 11/12/2016 3:04 AM, Will Kooiman wrote:
>> You mean CO and not CO2, right?
>>
>> My understanding is to reduce CO and increase Nox, you lean the carb
> -
>> which should also reduce CO2, since it is a byproduct of burning
> gasoline.
>>
>> If nothing has changed on your car, perhaps your carburetor just
> needs a
>> good cleaning.
>>
>> The hardest part is knowing if your changes helped without taking it
> back
>> for testing. It would help if you could take it somewhere and tune
> it to
>> pass.
>>
>> On 11/12/16, 5:30 AM, "DeTomaso on behalf of Charles McCall"
>> <[10]detomaso-bounces at server.detomasolist.com on behalf of
>> [11]charlesmccall at gmail.com> wrote:
>>
>>> Hi all
>>>
>>> Went for my annual safety/technical inspection yesterday and
> failed
> due
>>> to two points:
>>>
>>> 1) My car door handle is damaged as mentioned on the list a few
> weeks
>>> ago... a replacement is coming for Christmas, but you need to be
> able
>>> to open the door from outside and inside to pass inspection.
>>>
>>> 2) Most worrying is that my CO2 levels were excessively high. The
> limit
>>> hasn't been changed compared to former years, this is the same
> engine
>>> that has had its emissions tested for the past 15 years and
> nothing
>>> that I am aware of has changed. Two questions:
>>>
>>> 1) What can I change/check to lower my CO2 levels to pass the
> test?
>>> Will begin by cleaning the air filter - to be honest I don't
> remember
>>> when I last cleaned it, which tells me something. It's a K&N. I
> seem
> to
>>> remember that CO2 levels lower at higher rpms and are highest at
> idle?
>>> If this is the case then I'll raise the rpms at idle to pass the
> test.
>>> Any other tricks to temporarily reduce CO2 emissions? I'll be
> happy to
>>> share my trick for passing the emergency brake portion, which
> I've
>>> pretty much got down pat now due to practice, but not on a public
> forum
>>> J
>>>
>>> 2) Perhaps more importantly, what is this telling me about my
> engine?
>>> Is it sick? Is there something that isn't working properly?
>>>
>>>
>>> Don't know if it matters but the engine has Aussie closed chamber
>>> heads, a Compcams 282S solid lifter camshaft, MSD 6AL, a massaged
>>> Holley 650DP. Don't think I left out anything that could be
> relevant
>>> here.
>>>
>>>
>>> I have 20 days to "fix it" and bring it back for re-testing.
> Thanks
>>> all!
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> References
>
> 1. http://w7tsc.org/
> 2. http://www.teampanteraracing.com/
> 3. mailto:asajay at asajay.com
> 4. mailto:detomaso at server.detomasolist.com
> 5. mailto:charlesmccall at gmail.com
> 6. mailto:detomaso-bounces at server.detomasolist.com
> 7. mailto:detomaso at server.detomasolist.com
> 8. http://w7tsc.org/
> 9. http://www.teampanteraracing.com/
> 10. mailto:detomaso-bounces at server.detomasolist.com%20on%20behalf%20of%0b
> 11. mailto:charlesmccall at gmail.com
> 12. mailto:DeTomaso at server.detomasolist.com
> 13. http://server.detomasolist.com/mailman/listinfo/detomaso
> 14. mailto:DeTomaso at server.detomasolist.com
> 15. http://server.detomasolist.com/mailman/listinfo/detomaso
> 16. http://www.avg.com/
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> 21. http://www.avg.com/
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