Not Ranked
Blair,
On your backfiring....
Do you get it all the time?
Did you have it before the head and cam change?
Mine is almost gone. Carb change helped the most. I went from a 650CFM Holley Dbl with mech sec to a new Street avenger 670CFM. Richened up the idle circuits..per Scott. However, I have only had it when I let off the gas above 3.5K RPM. Also, when hitting the rev limiter.
Mike
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