[Shop-talk] Axle ratio?

[Mark J Bradakis]

Dave Cavanaugh wrote:
> I have a 2004 GMC Sierra extended cab, short bed.  I would like to find the axle ratio and engine size.

The engine should be encoded in the VIN. For the axle ratio you may have to actually get under it and compare
turns of the wheels to turns of the driveshaft.

And thanks for reminding me about shop-talk, I forgot this one yesterday. Hang on a few minutes.

mjb.