C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

opti killing me

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Old Apr 22, 2022 | 10:08 AM
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Default opti killing me

hi i have a 1996 base model; corvette lt1 so pulled the first opti out at 8100 miles it was a mistake tyo use same sensor and wheel it still ran rough so i took out opti and throw in garbage spent more on a accel opti installed it and now it runs real bad so check plug wires replaced plugs and wires, coil ,and egr still barely runs starts up idles ok put a load on it and misses real misses real bad any advice . ps. oh ya while installed the alternator the plug got smashed and it arced out just for a second door light didnt work so i checked fuses didnt find blown fuse but then lights came back on in the doors it still runs like crap the guy at oriellys said( time it with a light)how do i time it with out being able to turn distributor im really stuck ps i cant spell real well sorry everyone

Last edited by VETTES14$; Apr 22, 2022 at 10:17 AM.
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Old Apr 22, 2022 | 01:27 PM
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That is one very long sentence.
PS: Can't time a 96 with a light.
PS2: Don't listen to the experts behind the counter at O'reillys.
PS3: Check for codes with a code reader at O'reillys.
PS4: Report the codes here.

Last edited by Whaleman; Apr 22, 2022 at 05:39 PM.
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Old Apr 23, 2022 | 03:35 PM
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I think Accel opti's are junk. I had one that lasted 15 minutes then wouldn't run at all. Since it was under warranty, I tried a second one. After about 500 miles, the second one started acting up.. if the engine was above about 5000rpm, it would misfire and cut out. And when that was happening, the tach would jump around. So the second one was junk too. So now I have an AIP opti. so far its been perfect
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Old Apr 23, 2022 | 04:16 PM
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Optis always scared me away from the 91-96 C4s. I had a 89 for a while and I liked the "spin the distributor" simplicity.
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Old Apr 24, 2022 | 03:42 AM
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Originally Posted by billschroeder5842
Optis always scared me away from the 91-96 C4s.
Suspect you mean 92-96 C4s.
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Old Apr 24, 2022 | 08:40 AM
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“oh ya while installed the alternator the plug got smashed and it arced out“ I suggest you disconnect the battery before doing any such engine work.
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Old Apr 24, 2022 | 11:43 AM
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Yet another first post where the OP never comes back to see if anyone answers the question. Dan
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Old Apr 24, 2022 | 07:11 PM
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Originally Posted by Whaleman
Yet another first post where the OP never comes back to see if anyone answers the question. Dan
he’s a rookie- lol.
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