Re: changed exhaust, now roadster backfires

["datsun parts.com" <datsunpartsdotcom@yahoo.com>]

If you hear popping out of the tail pipe when you get off the throttle, that is 
a lean misfire.. I don't know what kind of cam your running, but the main fuel 
seems too lean and the pilots as well. I used to run 140 main fuel, 200 main 
air and 55 pilots and I had zero problems. Dean  





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