fuel management unit

  1. O

    For Those Who Care

    For those who care to take a guess at the issue or have seen this issue before!- As warmer weather nears, I'll be fiddling with the car to get more info. Here are the specs/ concerns: -88 original 5.0 car Paxton novi 1000 supercharged with FMU - (No chip in ECU) -Car is still speed density...