Recent content by barrelman

  1. B

    4.3 L V6 backfiring above 2600 RPM

    My 1993 4.3L V6 pops back thru the carb in a random but frequent rate. This occurs above 2600 RPM. I can run all day @2600 RPM but when I increase the RPM to 2700 and 2800 the popping back begins and I have to reduce the RPM to stop it. What to do ?
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