Originally Posted by Savannah54
Dave I tried the "Gear mph calculator." It describes using a 4.1 rear 33 " tires .86 gear as an engine speed of 2334. That's not bad.

I had no idea that you had 33" tall tires. I don't think I've ever seen a 3600 with tires that tall. I'm surprised that you even need an overdrive gear!


~ Dave
1950 Chevrolet 3600 3/4-ton with 261 engine & T5 Transmission