Rear Disc Brakes - Suspension and Brake Forum

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Rear Disc Brakes
Thursday, August 18, 2005 7:47 AM
Has anyone ever looked into using the rear discs from another car to retro fit the drums. I have been thinking of using like the rear assemblies from a Grand Prix or a Grand Am to swap out my drums on my Sunfire.

Re: Rear Disc Brakes
Thursday, August 18, 2005 8:17 AM
This is my current project..

http://www.j-body.org/forums/read.php?f=3&i=92768&t=92768

James Cahill already finished this..











~2014 New Z under the knife, same heart different body~
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Re: Rear Disc Brakes
Thursday, August 18, 2005 9:08 AM
DUDE, USE THE SEARCH BUTTON!!!!

Current projects include a Neon Disk Swap and N-Body (Grand Am) IRS Swap.



Re: Rear Disc Brakes
Saturday, August 20, 2005 4:25 AM
What about swapping Cobalt SS brakes or entire rear beam?
Anybody looked into it?
Track is 1.4" wider, I doubt it's in the wheel offset.

http://www.gmcanada.com/english/vehicles/2005/chevrolet/cobalt/coba_opti.html

http://www.citychev.gmcanada.com/english/vehicles/2005/chevrolet/cavalier/cava_opti.html
Re: Rear Disc Brakes
Saturday, August 20, 2005 11:00 AM
thats some slick work there



1989 Turbo Trans Am #82, 2007 Cobalt SS G85





Re: Rear Disc Brakes
Saturday, August 20, 2005 1:02 PM
aside from being a totally diff bolt pattern meaning youd need two diff rims for the rear.

Why waste the time to go to a torsion beam rear end again? If your going to do a rear end swap might as well go Independent.



208whp 239wtq
13.7 @ 102mph 2.19 60'
Re: Rear Disc Brakes
Saturday, August 20, 2005 3:33 PM
NotsoOceansideEco wrote:aside from being a totally diff bolt pattern meaning youd need two diff rims for the rear.

Why waste the time to go to a torsion beam rear end again? If your going to do a rear end swap might as well go Independent.


no you dont, most aftermarket wheels are dual pattern of 114 and 100 both X 5



Re: Rear Disc Brakes
Monday, August 22, 2005 7:24 AM
I understand the aspect of using the Neon rear brakes and I looked before I jumped BUT I wanted to know if anyone has used the Other Pontiac/ Chevrolet parts available.

I spend time looking at all of these FWD GM cars with rear disc brakes and think about the possiblilty of using those parts. I will not be putting aftermarket wheels on my car since I will build it into a sleeper. The only way you will tell it is not stock will be exhaust and stock 15" or 16" wheels from another gm car, on the outside. What I am working on getting is a wrecked Grand Am/Prix with a v6 and rear disc brakes. Then I will do a swap for the engine and hopefully the brakes. I am just checking to see if anyone has looked into it. If not I will have to do all the reasearch or trial and fit myself. I was just trying to save time.
Re: Rear Disc Brakes
Monday, August 22, 2005 9:08 AM
The cobalt and j-body torsion axles really aren't close enough to fudge. You'd have to cut and weld and fabricate; and by the time you get done with the whole mess you'll have just as much work in it as putting the IRS N-Body suspension on.



Re: Rear Disc Brakes
Monday, August 22, 2005 9:22 AM
Dam-it Muffins (Event) wrote:
NotsoOceansideEco wrote:aside from being a totally diff bolt pattern meaning youd need two diff rims for the rear.

Why waste the time to go to a torsion beam rear end again? If your going to do a rear end swap might as well go Independent.


no you dont, most aftermarket wheels are dual pattern of 114 and 100 both X 5


yes, but the Cobalt bolt pattern (on an SS) is 5x110



Re: Rear Disc Brakes
Monday, August 22, 2005 9:26 AM
Non SS only has 4 lugs though. Anybody know the pattern?




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