Quote:
Originally posted by srv1:
5oh, check your firing order, its sounds like you got some wires in the wrong place.
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I would think having wires in the wrong place would cause it to run pretty lousy wide open too. LOL.
If it's popping through the intake, perhaps the cam was indexed wrong, or one of the valves is sticky.
If it really just sounds like the intake, (stock exhaust makes backfires really quiet) I'd be inclined to think an injector might be sticking.
What fuel pump, fuel pressure regulator, injectors do you have?