I have some 3.73s sitting in my basement that I am considering installing. What is the correct speedo gear for them, and does it actually make the speedo correct, or is the speedo (and odometer) just closer but still not exactly correct?
all i can really say that i know for sure about it is that with the 3.27 gears i have now, and my stock speedo gear that is in there currently, my speedo and odometer are correct.
If the existing gear has 19 teeth for the 3:27's you will have a 7 tooth drive gear and will only need a 21 tooth gear for the 3:73's. Speedo will be accurate. You can confirm with a GPS.