rear drum residual valve?

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rear drum residual valve?

Postby RumbleFish » Tue Nov 17, 2015 10:22 am

do we have one? and where is it? should I eliminate it for my rear disc swap?
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Re: rear drum residual valve?

Postby simplysmn » Sat Dec 12, 2015 11:13 pm

You may have to add 1 to the Line for the Back to hold the Pressure needed for Disk brakes .
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Re: rear drum residual valve?

Postby Philip » Sun Dec 13, 2015 8:40 am

It is located in the outlet section of the M/C. A lot of rebuild M/C's have had them removed. Disk brakes use a 2# restrictor. Drums used a 10#.

Pop the rear brake line out of the M/C. Take a strand of wire and push it into the hole. If it only goes in about 1 MM then the restrictor is still in there. If it goes in a long way. Then it has been removed.

On Jeremy's 92 we installed a wildwood 2# residual Pressure Valve when he put the disks on the rear of it.



http://www.wilwood.com/MasterCylinders/ ... alves.aspx
93 W350 Club/cab w/duals, buckets & console, B&W flatbed, G56, 6 spd, 3:07 rears, gages, HX40/16, 4" exhaust, 6X.018 sticks, rear air ride suspension
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Re: rear drum residual valve?

Postby RumbleFish » Wed Dec 23, 2015 3:13 pm

That's what Im looking for. Thanks Philip! Id say its still there, as I can feel a light drag. Around town it doesn't bother me too much. And its nice to have something to keep it from rolling away on the slight incline at the fuel pump. I'll get around to eliminating it. It is a removable piece or do I just open up the hole in the fitting on the master?
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