strong exhaust fumes

  1. lojo1

    92 LX rough idle and heavy exhaust fumes

    Okay, here I go again (on my own)..... I've recently (1.5 weeks ago) purchased this car, which my father owned up until 2019. The last owner put a cam (303 I think) in it and installed a Magnaflow exhaust (no catalytic convertors). My problem is it runs fine once it gets up to temp but...