Speedometers, Transmissions, Ring and Pinions
Web Pages

Speedometer and Transmission Gears
What gear do you need for the speedometer to read
correctly?

Transmission Gear Ratios
T-5 Identification and an assortment of available T-5
and auto transmission gear ratios.  (Stock, G-Force,
Tremec, C-4, etc.)

Tire Sizes / Diameter Chart
An assortment of tire sizes, heights, and section widths

MPH and RPM Calculations
- How do tire heights effect your MPH and RPM?
- Will changing gears effect your results at the end of
the track?
- Numerous charts available for comparisons.
Mustang Parts and Tech