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Old 04-05-2013, 11:57 AM   #35
BurnoutNova
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Join Date: Mar 2004
Location: CA
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Re: New master and now no power brakes

Quote:
Originally Posted by shawno72 View Post
What would the symptoms be if I had a disc/disc prop valve?
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The rear drums would want to lock up, as the self energizing drums require much less pressure.

A 71/72 prop valve should deliver more pressure to the front calipers than to the rear line. A drum/drum "metering block" is just going to deliver straight line pressure to all 4 wheels.
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