lt1 backfire problem need help!

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Jun 6, 2008 | 06:54 PM

AAK z28

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Launching!

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From: Macomb, Michigan

lt1 backfire problem need help!

my car backfires at idle but wen i giv it gas it stops.. any one got any ideas?

i was thinking mab a rocker arm isnt adjusted right?

Jun 6, 2008 | 08:00 PM

robsquikz28

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From: Chicago/Crown point

did it happen after hotcam install or what?

Jun 6, 2008 | 08:05 PM

AAK z28

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Launching!

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From: Macomb, Michigan

ya after i put the cam in and adjusted the rockers...mab i didnt adjust 1 or a few right and the exhuast valve is open still while firing at idle?

Jun 7, 2008 | 01:07 AM

Untouchable9262

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From: Michigan

man i got the same problem , gaygays

Jun 10, 2008 | 01:35 AM

Untouchable9262

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From: Michigan

Could the Optispark be bad??

I changed my cap and rotor to a msd , but kept the origonally opti, my car seems to misefire alittle, and under load(about 2500rpm) theres a popping noise from my exhaust. Im currently running longtubes.

Jun 10, 2008 | 02:32 AM

carlos64030

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Just a long shot, but did you change out your knock module to an LT4 unit, or at least have the stock one desensitized?

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