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

Backfiring

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Old 04-18-2013, 12:29 PM
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I have a 95z25 6 sp. Stock except cam. I put 8mm Wires on it. And now im lucky if it stays running. At idle it seems to be running decent and if its cold it idles great. Could the 8mm wires cause it especially since the old 7mm wore out wires i never had a prob with?
Old 04-18-2013, 12:34 PM
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Plug wires are on the wrong plugs.
Old 04-18-2013, 12:41 PM
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i triple checked them they r right i noticed that a few wires r arcing to the distributor ventilation hose. and the coil is arcing but this is the 2nd new coil
Old 04-18-2013, 12:44 PM
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i was just tole to put the old wires back on. since i never had a problem with them, but id like to know y 8mm arcs as much as it does and if i can fix the problem otherwise thats 60 bucks wasted
Old 04-18-2013, 01:34 PM
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Make sure everything is seated correctly and your wires are in good condition..

If they are brand new, and are arcing... You've done something wrong
Old 04-18-2013, 01:47 PM
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What kind of 8mm wires did you get? Are you sure none of the new wires are burnt causing the arcing?
Old 04-18-2013, 06:36 PM
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Originally Posted by SS RRR
What kind of 8mm wires did you get? Are you sure none of the new wires are burnt causing the arcing?
they are accell. with getting 9.6mpg with the old wires i thought by getting new wires would be better



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