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Engine backfires when throttle blipped 120-130

timimg light on the #1 wire shows the mark on the crank pully lining up with the pointer on the block at 1500 rpm.

Which of the five marks on the crank lines up? And why 1500 RPM instead of idle? Why would valve lash have anything to do with it?






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New Engine backfires when throttle blipped [120-130]
posted by  adatesman  on Sat Sep 10 04:17 CST 2005 >


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