None that i know of. Look at the RPO (Regular Production Options) code sticker on the inside of the glove box. That sticker tells you every single factory installed option or option package on the vehicle. Go a Google search on GM RPO codes to figure out which one means you have posi.
Yes, it could be ordered with GM's Posi-Trac as an option.
its a posi tract.
YES you can.
No it will not, There are different size carriers for different rear end houseing
Yes it does. It's called a limited slip differential. Posi would refer to the Chevy brand rear end. No you don't have posi. Yes you have a LSD.
The 3.73 rear end in a 1998 Chevy Silverado 1500 does not automatically mean it is a posi-traction (posi) differential. Posi-traction refers to a limited-slip differential that allows both rear wheels to spin together for improved traction. You would need to confirm with the specific vehicle's build options or VIN to determine if it has a posi rear end.
It can if it was ordered new with one or installed later on.
that posi is a 8.5 28 spline series 3 posi carrier for 273 gears and up from 70 to 78 i think not to sure about the years
Most likely, however, it is easy to tell. Open the glove box, and on the inside of the door, you will see a white sticker with a bunch of letters, and numbers. G-80, is posi.
1962 - 1963 chevy II Nova Acadian posi or open
Not all z28s have posi, I own a 83 and I does. It have posi. But you can buy a lock and it makes it posi.
jack up drive axle with vehicle in neutral and turn one tire. If the tire on opposite side turns the same direction as the one you did you have posi traction. If it turns the other direction its a diff.