Rear-end question.

How can i tell if an astro rear-end is a posi or not? (besides jackin it up and spinning one wheel):screwy:

You can always look on your option codes listing for:

G80
Rear Axle: Positraction

Should be on doghouse map holder box...

Or, the next time you change the gear oil (every 30,000 miles) look for this:

http://72.19.213.157/files/373carrier1.jpg