View Single Post
Old 01-20-2021, 08:40 AM   #12
68 C10 Driver
Senior Member
 
Join Date: Oct 2020
Location: Kathleen, GA
Posts: 623
Re: Differential Gearing Question

Quote:
Originally Posted by jessemthompson View Post
I believe the M20 has 1.00 final gear. What size tires are you running? With a 29” tire in the rear and a 3.55 gear, you would be running around 2050 RPM @ 50mph. The 3.55 would be a happy median. I think you’ll have a dog on your hands with a 3.08 gear.
Yes, final gear (4th) is 1.00... I don't know off hand the tire height, but will check this morning. I simply got the radials that fit the 15" wheels that were close to the original bias plys.
68 C10 Driver is offline   Reply With Quote