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Init1 · 10-05-2018, 11:27 AM

Generally backfiring out the exhaust means too much advance and backfiring thru the carbs means too much timing retard. I'd look at the distributor and the timing.

10-05-2018, 11:27 AM	#7
Init1 Senior Member Join Date: May 2010 Location: Oregon City, Oregon Posts: 208	Re: popping back fire Generally backfiring out the exhaust means too much advance and backfiring thru the carbs means too much timing retard. I'd look at the distributor and the timing.