12 bolts decode

[DomX77D80]

Ello Frends  i have question for my original 12 bolts (69 Z28) ,what is the E under the diff code ?

Thank you

[ko-lek-tor]

Because your rear end has limited slip, aka posi-traction or posi for short, the E further describes what brand of limited slip unit was installed in your housing. In your case, E is for Eaton.

[bcmiller]

Yep.

See this link and scroll down a bit.

http://www.camaros.org/drivetrain.shtml#axle

[DomX77D80]

Thank's for your info !