Here is another site that may help you.
http://www.transmissioncenter.net/speedometer_calibration_______va.htm#400
I have a TH350, 28" tires and 3.73 gears and my speedo gears calculated to 8 teeth on drive gear and 21 driven.
Plug in your current drive gear and see if the calculator gives you a driven gear within the available range.
Hope this helps
http://www.transmissioncenter.net/speedometer_calibration_______va.htm#400
I have a TH350, 28" tires and 3.73 gears and my speedo gears calculated to 8 teeth on drive gear and 21 driven.
Plug in your current drive gear and see if the calculator gives you a driven gear within the available range.
Hope this helps
