Jan 12, 2018 · Anyway, I put carbon core wires in for those reasons and plugs 2, 3, and 6 stopped firing at idle (no drop in tach reading when plug wire off). Plus, the car was bucking on the road, under load. Switching plugs around from other cylinders did not get those three cylinders to fire at idle, so now I have put the solid wires back le now up ...
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