For racers, the TREMEC gear ratio calculator is valuable for figuring out shift points and correlating mph to aid in tuning. In this shot, we have the combo of a 2003 Ford Mustang Cobra raced in NMRA competition. The car uses a Magnum 6-speed with 2.66 first gear. Shifting at 6,300 rpm (optimal for this combo) you know what the corresponding mph will be.
For racers, the TREMEC gear ratio calculator is valuable for figuring out shift points and correlating mph to aid in tuning. In this shot, we have the combo of a 2003 Ford Mustang Cobra raced in NMRA competition. The car uses a Magnum 6-speed with 2.66 first gear. Shifting at 6,300 rpm (optimal for this combo) you know what the corresponding mph will be.