smoke when shifting - Team Camaro Tech
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post #1 of 11 (permalink) Old Jul 12th, 10, 08:44 PM Thread Starter
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steve
 
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smoke when shifting

Hello I have a 68 rs with a 327 with around 2000 miles on it.It seems to be blowing a puff of smoke when shifting gears at a higher rpm.When I'm in my drive way in neutral it doesn't seem to do this.I can sometimes hear ticking from the drivers side valve cover at an idle.Anyone have sugestion on what could cause this.
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post #2 of 11 (permalink) Old Jul 13th, 10, 07:20 AM
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Re: smoke when shifting

Do you have headers? The ticking sound could be an exhaust leak. The motor only has 2k on it give it some more miles before getting concerned on huffing a little oil, as long as it is only a little.

Steve
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post #3 of 11 (permalink) Old Jul 13th, 10, 07:29 AM
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Re: smoke when shifting

Ticking at the valve cover sounds like a tight or loose valve. Check your valve lash and re-adjust if not within spec for your cam.

Russ (RJ)
The Garlic Capital, Gilroy,CA

(sold June 15,2014) 1968 RS convertible that is not quite stock

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post #4 of 11 (permalink) Old Jul 13th, 10, 08:08 AM
Marty
 
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Re: smoke when shifting

It could also be a bad valve guide/s.
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post #5 of 11 (permalink) Old Jul 13th, 10, 08:50 AM
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Re: smoke when shifting

I agree with just adjusting the valves.
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post #6 of 11 (permalink) Old Jul 13th, 10, 09:45 AM Thread Starter
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Re: smoke when shifting

Thanks for the quick response i will adjust my valves tonight also do you think it could be from too much fuel it only happens when the carb is wide open.
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post #7 of 11 (permalink) Old Jul 13th, 10, 05:17 PM
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Re: smoke when shifting

If it was fuel related I would think it would stumble along with the smoke.

Auto or stick?
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post #8 of 11 (permalink) Old Jul 13th, 10, 10:14 PM Thread Starter
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Re: smoke when shifting

stick
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post #9 of 11 (permalink) Old Jul 14th, 10, 05:11 PM
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Re: smoke when shifting

It may be fuel related, you have to let off the gas and stomp it back down, the accelerator pump may be pushing more fuel than needed.
I would think that would cause a stumble, however.
What carb does it have?
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post #10 of 11 (permalink) Old Jul 15th, 10, 12:18 PM Thread Starter
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Re: smoke when shifting

holley 650
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post #11 of 11 (permalink) Old Jul 15th, 10, 05:33 PM
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Re: smoke when shifting

If its a double pumper try disconnecting the rear accelerator pump and drive again. Its probably going to stumble (lean) every time you open the secondaries, but watch for the smoke

That said I have no idea how to easily disconnect accelerator pumps.
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