Hi everyone, I have a lazy a** question to ask. Lazy cause with some time and effort I could figure out the answer for myself. I'm hoping though that someone has the answer. I want to get as much information as I can before I start to work. What is the difference in the axle housing end bolt pattern between an 87 7.5" 10 bolt and a 93-02 10 bolt? What kind of PITA will it be to install caliper brackets that fit the 87 onto a rear axle with 93-02 axle housing ends?

 

All the Chevy 10 and 12 bolt are, essentially, the same. Some of the BOP 10 bolt is different though.

 

In those years, it's all a bolt-up.

Not to be a male organ, but... you'd have to have your head up your … where the sun don't shine … to put 87 disc brakes onto ANYTHING in a swap. Throw that crap in the trash and get something that actually works.

 

Lol. Couldn't say it better bro. The brakes are the LS1 kit from Fly N Bye, which is rear brakes from a 2002 Z28. Fly N Bye sells the kit for 82-92 f bodies. Somehow i got the idea there was a difference in the housing ends. Thanks for clearing that up.
I'm swapping in a 9" Ford this summer. Got the fab housing from QP. It has 93-02 housing ends. There will be enough to deal with on the swap without worrying about the brakes bolting up.

 

OK, that's different then.

The 9-bolt has something different about the housing ends, that requires different backing plates. Not real sure what it is, because I've never really paid attention to it; too lazy to look at the various ones I have. The 10-bolt housing ends are the same. But if you have a rear w/ 93-02 ends, the LS1 setup oughta just slap right up on there. Maybe even jump on it all by itself if you set it on the ground right next to the other.

 

https://www.thirdgen.org/forums/brak...ou-do-ls1.html