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  1. Performance Garage and Street Tech
    My ZJ is a 96 with the trusty old 4.0. Of course mine is first year with odb2. How can I swap in a 4.5/4.6/4.7 stroker and have no problems and all my electrical stuff still work? I like my jeep and the reliable and bulletproof 4.0 but I want more power.
  2. Drivetrain Tech Center
    hi there i was wondering if anyone could help me with a issue that ive got concerning low end torque I have a 2001 4.0 wj with a 42re transmission. It shifts fine, besides for an ocassionaly hard up shift from 1st to 2nd when i let off the gas. My only gripe is that it seems to have no real...
1-2 of 4 Results