Here is a link about Camaro Rear Axles.
http://www.nastyz28.com/2gcog/rearaxle.html

About 3/4 down the page is a photo of the numbers stamped on the
ring gear and pinion gear. It has a chart to the left of that,
that tells how to do the math to figure your ratio.

I have trouble counting teeth... I am from Arkansas

250 Integrated Head / 1981 C-10 Pick up.