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

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.
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