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

Do I need to replace my wires/optispark?

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Old 07-25-2006, 12:32 PM
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Default Do I need to replace my wires/optispark?

I still can't diagnose my car's vibration problems. It also only seems to happen at the highest factory temperature (which is around 200 or so). Also it seems to do it when I'm at a stop/not moving. My car then starts trembling LIKE CRAZY! (Kinda feels like it wants to die or something) Not to mention that my rpms got lower(they used to be 900-800 rpm, now theyre down to around 600 rpm at a stop. Is it my wires/optispark thats causing this? Motor mounts or something?
Old 07-26-2006, 02:35 AM
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how many miles on the opti? could be your alt. going
Old 07-26-2006, 02:54 PM
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117,xxx miles



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