1971 G/P 4 wheel disc brake upgrade - High Performance Pontiac Forums at High Performance Pontiac Magazine High Performance Pontiac
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1971 G/P 4 wheel disc brake upgrade

  
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1971 G/P 4 wheel disc brake upgrade

 
poncho.pete poncho.pete
New User | Posts: 2 | Joined: 01/13
Posted: 02/02/13
03:57 PM

I have a 71' G/P that I would like to install 4 wheel disc brakes. Does anyone know who make an entire "kit" for the car?? Do I need to switch the front spindles also???? I would like to use a set of stock wheels off of a 84' T/A (16x8)as an upgrade also. Can I make this work?  

 
idrivejunk idrivejunk
Addict | Posts: 4411 | Joined: 12/09
Posted: 02/02/13
04:49 PM

I haven't used this kit but its an example of whats out there. You would want to call them and discuss what you need, but the whiz-bang kit is around $1,500. You can probably use your spindles but they may need to know if yours have a bolt on steering arm or not. And you would also want to be sure if you have the BOP type 8.2" rearend. Same parts as a GTO.

http://www.classicperform.com/Store/Brakes/6872FRBK-BB-R.htm  
idrivejunk

 
ROWSLEY ROWSLEY
Enthusiast | Posts: 647 | Joined: 07/11
Posted: 02/02/13
10:32 PM

the 16x8 wheels off of a 89 t/a work fine on my 69 grand prix.

do you plan on up grading the front also?  
76 455/4spd TRANS AM
69 GRAND PRIX 406/5SPD

 
idrivejunk idrivejunk
Addict | Posts: 4411 | Joined: 12/09
Posted: 02/03/13
09:03 AM

Double check the offset on those OE wheels. I had a set of 16s off an IROC that were front and rear specific and they worked on some A-bodies but didn't fit others. Never tried them on my GP. I think if you stick with 12" front rotors you'll be OK, but 13"ers will probably require 17" wheels.  
idrivejunk

 
ROWSLEY ROWSLEY
Enthusiast | Posts: 647 | Joined: 07/11
Posted: 02/05/13
12:09 AM

matt your right about the offset. 1/2" differents front to rear. maybe thats why the gp corners like a ***  (76 t/a steering box and sway bar)  
76 455/4spd TRANS AM
69 GRAND PRIX 406/5SPD