Thread: Spark plug burn pattern?
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04-06-2011 12:25 PM #4
As rspears says need more info. Backfire under load would first look at cap and rotor for crossfire arcing. Try separating plug wires to see if makes a difference.______________________________________
The road is long with many a winding turn.
That's going to be nice, like the color. .
Stude M5 build