Mercury Cougar Owners banner

mileage

  1. highway RPM and mileage estimate

    High Performance
    Anybody running 400 HP, C4 with shift kit with a 9 inch equalock rear and 3.55 gears? I'm getting ready to gut my cat and I think I might go with this combo. This is somewhat my daily driver so I'm trying to find a good combination of daily driving and Sunday night racing... I heard AOD will...
Top