Quote:
Originally Posted by GR8 WHITE
Call me crazy, but the last MISFIRE I had, was a defective spark plug that wound up to be cracked. Since you installed the engine, is it possible a spark plug was cracked when you re-installed them? A simple check.....
Can't hurt to check it out..... Hope it is as simple as that.
Possibly a fouled spark plug wire or, when the wires were pulled off, maybe the wire itself was pulled and not the boot, so maybe the wire is frayed inside the shield and not 100% in contact with the boot connector anymore?
Just some suggestions....
Try new plugs and new wires. Are the spark plugs the correct ones for the LS7?
Good luck -
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The motor has the factory plugs & wires.