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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

flames coming out of my headers

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Old 10-27-2007, 12:10 PM
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Default flames coming out of my headers
car wont start and flames come out of my headers when i crank the engine.
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Old 10-27-2007, 12:45 PM
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thats pretty cool besides the whole car not startin thing!
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Old 10-27-2007, 01:20 PM
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timing maybe to high.
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Old 10-27-2007, 01:59 PM
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could i have put the cam in wrong.
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Old 10-27-2007, 02:08 PM
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not 100% i have never installed a cam but it should be at top dead center right? Did you do that? Cause your exhaust valves are opening on the combustion stroke.
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Old 10-27-2007, 02:28 PM
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Sounds like the cam is in wrong or maybe to much advance , causing you exhaust valves to open on combustion=flames out the headers. Or maybe you are running so rich you are igniting unburnt fuel in the exhaust.
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Old 10-27-2007, 03:08 PM
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is there any easy way to check this with out riping out everything
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Old 10-27-2007, 03:12 PM
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check your spark plugs for color. Black = rich, white = lean, rust = good
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Old 10-27-2007, 03:47 PM
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Originally Posted by powers84
is there any easy way to check this with out riping out everything
yes, shbox.com has a write up on checking TDC a few different ways
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Old 10-27-2007, 03:56 PM
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sounds bad *** lol
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Old 10-27-2007, 05:17 PM
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ok well i got it started the rockers where all to tight now im trying to get it to idle, i think its the pressure i put a tester on it and it only reads 10-15 psi but i have a brand new aeromotive fuel pres. reg on it . when i step on the gas a little it sounds like its idleing ...lol....im about to crank the **** out of the regulator and hope for the best any one have any other ideas i still havvent put the o2 sensors on .
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Old 10-27-2007, 09:36 PM
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Rockers is what I would of said..mine was a bitch too when I built my LT1. I had to adjust literally in 1/10 turns.
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Old 10-28-2007, 08:33 PM
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When my rockers were too tight after doing the head gasket work, trying to crank the car resulted in a sound like a shotgun going off.
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Old 10-29-2007, 12:41 AM
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Dude..mine sounded like a Grenade..scared the **** out of everyone in the Shop..lol
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Old 10-29-2007, 08:07 AM
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retarded timing will make it do that. Rockers could too
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Old 10-29-2007, 04:36 PM
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well it was the rockers but now i can get it to idle check my other thread please thanks.
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Old 10-30-2007, 01:24 PM
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Originally Posted by z28hustle
thats pretty cool besides the whole car not startin thing!
Hahahahahahaha x2
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Old 10-30-2007, 02:15 PM
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yep rockers we did that one to haha.. gotta love it I hate adjusting rockers havnt got it down yet although i can rebuild a tranny.. kinda odd
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Old 10-30-2007, 06:21 PM
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Originally Posted by powers84
ok well i got it started the rockers where all to tight now im trying to get it to idle, i think its the pressure i put a tester on it and it only reads 10-15 psi but i have a brand new aeromotive fuel pres. reg on it . when i step on the gas a little it sounds like its idleing ...lol....im about to crank the **** out of the regulator and hope for the best any one have any other ideas i still havvent put the o2 sensors on .
the car wont start with the o2 sensors not connected if thats what u mean by them not being on
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Old 10-30-2007, 06:27 PM
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lol i wanna shoot flames
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