Rear disc conversion 92-99 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 08-31-2003, 11:56 PM   #1
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Default Rear disc conversion 92-99

has anyone attempted a rear disc conversion? the stock brakes...suck!!
A couple of 80-90mph stops on the autobahn :(
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Old 09-02-2003, 03:23 AM   #2
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First clean up what you have then get a proportioning valve an change the balance from a 80-20 split to a 7030 split that will help quite a bit. Then if its still lame drop me a line and I can get you a kit.

Ty
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Old 09-07-2003, 10:13 PM   #3
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Why get rid of the rear drum brakes? I thought about it too, mostly because of cosmetics reasons. Because it didn't make my rear wheel look good, but I later found out through research that drum brakes are much better for stopping than disc. Because drum brakes lock the wheel from turning, while disc brakes use friction to slow down the vehicle. Plus they last a hell lot longer

Don't waste your time and money for performance stopping, drums work great and just as viable.. hell you can even paint them to your liking
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Old 09-08-2003, 12:25 AM   #4
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They both use friction to stop a car, the drum just pushed OUTWARDS onto the drum, and the disc pushes into a disc. Disc brakes have MUCH better performance, i don't know where you got that info...
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Old 09-08-2003, 12:38 AM   #5
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Quote:
Originally Posted by BonneMeMN
They both use friction to stop a car, the drum just pushed OUTWARDS onto the drum, and the disc pushes into a disc. Disc brakes have MUCH better performance, i don't know where you got that info...
Discs perform very well when there are 2 to 3 people in the vehicle and nothing is loaded in the back. The disc breaks work good in that respect, but when you load up a vehicle or tow something then the drum brakes really show their advantage. I'm sure GM could have installed 4 disc brakes back in the 90'* but to me it seems they knew better because imagine 5 people in the car and the trunk is loaded. 4 disc would not perform as great as a combo with 2 disc and 2 drum. That'* my 2 cents and thats the advice I got from my mechanic. (sure I don't think he would have minded using my $700 to convert my brakes at the time when I REALLY wanted to do it)

Well now however; brake disc technology has gotten really advance.. and with ceramic tiles it can do alot more. But to each his own.. 4 disc brakes on a early bonneville would be for total for show in my view.
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Old 09-08-2003, 01:15 AM   #6
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Sometimes disc brakes are not all that good. For example. My mom owns a Suburu Legacy Wagon I believe it is a 98 but I might be wrong. When she first started looking at it she noticed that the model that was made the year before had rear disk brakes standard and hers came standard with drums. She ended up finding out that they had a lot of problems with the rear disk brakes wearing out to quick they would go in like half the time the fronts would go so Suburu switched back to drums the following year. Now that we have ceramic breaks the wearing time would probably be greatly extended.
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Old 09-08-2003, 01:39 AM   #7
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Quote:
Originally Posted by parallelcircuits
Sometimes disc brakes are not all that good. For example. My mom owns a Suburu Legacy Wagon I believe it is a 98 but I might be wrong. When she first started looking at it she noticed that the model that was made the year before had rear disk brakes standard and hers came standard with drums. She ended up finding out that they had a lot of problems with the rear disk brakes wearing out to quick they would go in like half the time the fronts would go so Suburu switched back to drums the following year. Now that we have ceramic breaks the wearing time would probably be greatly extended.
Was this AWD? In FWD your front brakes do 2/3 of the braking...

-- Rogue
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Old 09-09-2003, 05:17 AM   #8
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Im pretty sure that all Subaru'* are AWD.
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Old 09-09-2003, 12:06 PM   #9
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In ANY Car, the brakes that are moving forward do 60-75% of the braking,
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Old 09-09-2003, 03:11 PM   #10
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Quote:
Originally Posted by Rogue
Was this AWD? In FWD your front brakes do 2/3 of the braking...

-- Rogue
It is actually rear wheel assist, meaning the back wheels don't get power until the front ones start to slip. Buy why does that make a difference. Rear wheel drives use the front brakes than rear breaks to stop. It should be dependent on how the master cylinder is set up: 80/20, 70/30, 60/40, front/back.
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