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

LT1 running bad when hot

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Old Oct 26, 2006 | 11:11 PM
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Default LT1 running bad when hot

Buddies 94, he changed a leaky water pump, now the car runs really bad. Starts really weak, runs like crap, when you rev it the car doesnt sound right, sounds like it wants sputter. Dont want to throw money at it yet, possible opti?
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Old Oct 26, 2006 | 11:21 PM
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did he by any chance get the opti wet?
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Old Oct 26, 2006 | 11:23 PM
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He doesnt know, the pump was leaking against the block, may have gotten it wet, has no code 16 though.
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Old Oct 27, 2006 | 12:02 AM
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doesnt matter, OBD1 is a bitch to figure out whats wrong. thoes symptoms are the usual dying opti signs.

can he drive it mid to high rpm's?
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Old Oct 27, 2006 | 02:06 AM
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Would still throw a code, I know mines did when it died
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Old Oct 27, 2006 | 02:18 AM
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Originally Posted by BizZzatch350
Would still throw a code, I know mines did when it died
My Opti didnt throw a code when it went (knock on wood).
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Old Oct 27, 2006 | 11:12 AM
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Sounds like he killed the opti to me!
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Old Oct 27, 2006 | 01:57 PM
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Yeah, hate to blame the old standby, but probably is the opti. I've had one go out without throwing a code.
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Old Oct 27, 2006 | 04:51 PM
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Originally Posted by 4mulaJoe
Sounds like he killed the opti to me!

Its Girbachs LT1
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Old Oct 27, 2006 | 06:27 PM
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dude i have put three optis on my car i am a tech at ramey chevrlet and it still was acting up i finally fixed the problem though i had excessive oil blow by "bad rings" and my 97 is vented off the intake manifoldso i had to rebuild but it fixed my issue so if any of you guys are having multiple problems even out of new distributors take one apart and see if there is oil in it if there is the optical eye cant read eveybody knows the opti was the biggest pile ever

Last edited by harrisd736; Oct 27, 2006 at 06:29 PM. Reason: accidental
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