Recent content by Jack Clements

  1. Jack Clements

    1st-2nd shift at WOT & backfire

    I have a 1998 chevy suburban 4x4, 5.7 vortec, 4l60e with about 150k. Ever since I got the truck with 148k it has never shifted from 1st to 2nd at WOT. As well as it not shifting when on the floor it gets up to about 3500, stays there and backfires and pops. Its kind of like it hits a rev...
Top