Cheat Sheet for TH400 Drive Gears?
I've seen all the calculators online (messed with TCI's already). My tire height is 28" & the gear ratio is 3.42. I'd like to get a driven gear so my speedometer will be correct, but I have no idea what drive gear I have. The transmission is already in the car, so I was hoping for a "cheat sheet" somewhere that might list the drive gears used in a particular vehicle. Does one exist or do I need to crawl under the car?
Thanks for any help!
Scott
seems it comes out to a value of 2.46, 15T trans gear, 37T speedo gear
Last edited by forcd ind; Feb 23, 2012 at 04:47 PM.









