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#1
11-23-2012, 11:44 PM
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not sure what this is for my brakes
i am redoing my brakes and i put the new master cylinder in and went to replace my hard lines and with a zip tie this was with it
  can someone tell me what this is so i can replace it. or do i need it? thank you 
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2005 dodge magnum daily driver 1988 mazda rx7 LS6 swap 1969 SS work in progress 
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#2
11-23-2012, 11:57 PM
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i did a random search and found that its a Proportioning valve. but on my chevelle i have this
 so do i need the part on the tom?
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2005 dodge magnum daily driver 1988 mazda rx7 LS6 swap 1969 SS work in progress
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#3
11-24-2012, 08:32 AM
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I can't remember what it is called but it is part of the braking system and it goes up by the booster. Mine has one on it as well.
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Ric Beckman  1969 Chevelle SS396 1972 Camaro SS350 Last edited by RBeckman; 11-24-2012 at 08:20 PM.
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#4
11-24-2012, 03:35 PM
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Yes, that IS the Prop Valve and is needed on a disc brake system unless you've installed an adjustable proportioning valve somewhere else on the vehicle.
The brass thingy on the frame is just a Distribution Block.
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2017 Camaro RS -217 cu in 365 HP w/8 speed auto 1967 Camaro SS -5.3L LS w/4L60E & 4.11 12 bolt 2019 Cadillac XT5 3.6L V6 w/310 HP & 8 speed AWD
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#5
11-24-2012, 10:35 PM
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That valve was only used on 69 and 70. The 70 also had a brass valve in the back on the frame by the rear wheel to hold pressure to the rear brakes. The distribution block you have on your frame does not look stock to me so you may not need the proportioning valve by the brake booster. If you use a distribution block for a 71 or 72 you do not need proportioning valve at all. Here's how the stock set up looks.
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Ray 1970 SS Chevelle Van Nuys Built
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#6
11-24-2012, 11:59 PM
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that was just a random picture i found its not mine. the one in your picture looks like mine.
think this will work? http://www.summitracing.com/parts/rsd-pv68
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2005 dodge magnum daily driver 1988 mazda rx7 LS6 swap 1969 SS work in progress
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Linear Mode
