LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

after new opti install

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Old 02-14-2003, 04:33 PM
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after new opti install

I finally installed my opti correctly this time, with all the problems i have been having with my vent tubes and timing and stuff. But today when i first firred up the car and it reved fine for a minute but after it was running for a little bit i give it some throttle and it would sputter or hesitate around 2k and then it would level out with more rpms. The wirres are on right and i think every thing is good but my intake boot from the mass air sensor to tb is kinda mangled and i think it might have a hole in it but im not FOR SURE. Would that cause this sputtering or would that be an iginition thing? it has a new coil, ignition moduel and opti. the intake tubbing is from my 89 iroc since this engine is in my iroc. Thanks for the help.

Bobby
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Old 02-14-2003, 04:38 PM
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A torn intake bellows will allow unmetered air to enter the engine and cause a host of problems. There's a good chance that that is the cause of your problems.
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Old 02-14-2003, 05:15 PM
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Maybe, but I doubt it...

My intake elbow was torn on the bottom where I couldn' t see it and I never had a clue until the next time I took it off. I'd bet you still have an ignition issue...
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Old 02-14-2003, 07:01 PM
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I dont know what the heck it is, but im soo tirred of it. Any info guys???
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Old 02-14-2003, 10:11 PM
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Its probably the worn n torn elbow, it will make a difference, especially with just redoin the opti, the computer has to relearn its settings and with the torn elbow it would be all screwy.....
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Old 02-15-2003, 12:37 AM
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What do you guys think about the vortech intake elbow? I need a new one as well and was thinking the 1LE but when it gets old it will crack too. Any problems with the metal one? It cant make too much of a heat difference can it?
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