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Old 04-06-2005, 11:45 AM
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Fittings? Wilwood residual pressure valve

I'm setting up my disc/drum brakes with an undercab booster/master cylinder. I bought a Wilwood 10 psi residual pressure valve to install on the rear brakes. I cut the long brake line going to the rear brakes about a foot back of the proportioning block because that was the most convenient spot. I'm about to install two new nuts and double flare the tube but will the brake lines fit right into the resid. valve? The instructions say "ports are 1/8-27 NPT threads and will accept standard inverted flare tube nut adapters". When I look inside the res. valve the threads are pretty deep and I don't see anything for the tube flare to press against. The mast. cyl. side has a plastic sleeve at the bottom and the out side has nothing. ?????hmmmm? I'm thinking there's a fitting that goes in each end first, then install the brake lines? right?

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Old 04-06-2005, 11:52 AM
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speedway motors is where i purchased mine

http://www.speedwaymotors.com/xq/asp...qx/product.htm
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Old 04-06-2005, 07:26 PM
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Just use AN fittings, it greatly simplifies brake plumbing. Brake plumbing must be double flared.

Vince
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Old 04-06-2005, 08:04 PM
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I believe that residual valve requires an adapter to go from 1/8-27 NPT to your normal 3/8 brake line threads. Speedway sells the adapter and you'll need one on each end. Are you also putting a 2 psi valve in for the front disks? This is the recommended setup.
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Old 04-06-2005, 11:47 PM
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I went to a parts supplier and got the proper npt to brake adapters. Had to go to three places to find them. $3.00 for the parts, $15.00 worth of gas. I guess I should have gotten the valve WITH the fittings when I ordered the part but at the time I wasn't sure where it was being mounted. Cboy, I'm going to try without the 2psi on the front disks. Some have said yes, some have said no as to whether I really need them. The rear 10psi, they say, is a must.

I spent hours ****ing around with a cheap double flare brake tool my buddy lent me. The piece of **** tool wouldn't give me a straight flare. Another friend and I got his flare tool to work a bit better but I'm still not real happy with my experience making custom brake lines. Why is it you can buy really cheap tools and really expensive ones and there's nothing in between?
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Old 04-07-2005, 04:43 AM
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Quote:
Originally Posted by murrsue

I spent hours ****ing around with a cheap double flare brake tool my buddy lent me. The piece of **** tool wouldn't give me a straight flare. Another friend and I got his flare tool to work a bit better but I'm still not real happy with my experience making custom brake lines. Why is it you can buy really cheap tools and really expensive ones and there's nothing in between?

That is the PRIMARY reason I went with AN fittings and stainless lines on my 34 project. I didn't want to mess with flaring.

Vince
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