4 wheels discs and a proportioning valve? - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 07-03-2002, 06:04 PM Thread Starter
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4 wheels discs and a proportioning valve?

My buddy just had Stainless Steel Brake's 4 wheel brake kit installed with a new master cylinder. Now it takes several pumps to stop and the system has been bleed and the master changed. I think it's the stock proportioning valve. I was going to remove it, hook up the front directly to the master, the have the rear going through an aftermarket adjustable valve. Am I going the right direction here?
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post #2 of (permalink) Old 07-03-2002, 08:47 PM
 
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Re: 4 wheels discs and a proportioning valve?

yes, I believe a master cylinder for four wheel discs is needed too. discs take more fluid than drums.
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post #3 of (permalink) Old 07-03-2002, 08:53 PM
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Re: 4 wheels discs and a proportioning valve?

Do a search we just went throught this two weeks ago. In that post i posted a pic from speedwaymotors.com. It shows how to plum a disc/drum system. In your case you would just change the drum residual vavle from 10 to 2psi for rear disc.
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post #4 of (permalink) Old 07-03-2002, 10:56 PM
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Re: 4 wheels discs and a proportioning valve?

I had lots of problems with my 4 wheel disc setup. I ended up removing the stock CJ combo valve. My lines run straight to the front, and through a Wildwood Adj. prop. valve to the rear. I still don't have everything exactly like I want it, but it stops. I am using a '68 Corvette 1-1/8" manual master. It took me nearly 2 weeks to work out all of the bugs in my brake system. Search through my posts and you will find a couple of threads discussing this. I also posted on the Pirate BBS. There should be enough information here/there to get you pointed in the right direction. You can e-mail me if you have any questions after looking through the posts.

Later,
Tom
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post #5 of (permalink) Old 07-05-2002, 11:20 AM
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Re: 4 wheels discs and a proportioning valve?

I installed a kit on my YJ from TSM. I had a similar problem. I replaced the proportioning valve with an adjustable one and the problem went away. If you have a residual valve at all for the rear - TSM recommends you remove it. YJ's don't have them so I cannot speak from experience on that.
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