I have a 85 GSL. (12a) It has 4 wheel disk. I dont think they made GSL's with 4 wheel disk so my guess is the previous owner swapped a gsl-se rear end, cause it seems to have posi also (MY friend claims it does because we did a "wheel rotation test" with it jacked up).

I have seen on ebay they have rear rotors and pads for 12a's and 13b's and I dont know which one to order if I wanted to get them. Cause I have 12a rotors in the front and who know what in the back.

Help please.

 

The Gsl came with 4 wheel disc brakes stock.

 

x2. Note that they are not the same as the SE rear rotors, as they are a different size, and have a different bolt pattern.

 

the GSL has solid rear disc brakes and the GSL-SE has vented rear disc.

 

All gsl and gsl-se RX7s came with an LSD.

 

oh ok. Thanks for the info. I was under the impression that they didnt come with an LSD or disk brakes. I guess that solves alot of problems for me.

 

The GSL is the top of the line 1st gen 12a powered seven.
The GSL-Se is the top of the line 1st gen 13b powered seven.

 

Best bet for brake parts is www.rockauto.com