Just look up your tire size on the Tire Rack, click on specs and find the revs/mile. Multiply that figure by the rearend ratio and you have your RPM at 60 mph. I believe with my 4.10 and 750/16 tires, I am around 2800 RPM at 60 mph.


1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed


My Chevy Master 4 Door is on the Road!