Originally Posted by buoymaker
0.70 X 3.73 = 2.62 (tall final drive, probably too much for the engine)
I checked the Rear Axle Code on my '72 C-10 today.

It's an RHC which means 3.73 as figured.

Now on top of this, I put 265/75/15's on the back to help change the Ratio some.

How much trouble am I in now? lol


'60-'72 Chev/GMC Fan
GMC 9500 Fan
Detroit Diesel Fan