Axle Ratio Help

[Car'n'Guitars]

Originally Posted by lap15

Here's my .02

My 86 C10 (HD half ton 6100 GVW) has been a work truck all it's life with a 305, SM465 & 3.08 rear axle. It's handled everything you could throw at it- city, highway, heavy loads, light loads and towing- while providing 15mpg. (Top speed is about 65mph)
I would leave it alone, unless it breaks.

That's what I was thinking too. But how far is the SM465 compared to the 700R4.