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1967 - 1972 F-100 & Larger F-Series Trucks Discuss the Bumpsides Ford Truck

proportioning valve

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Old Sep 13, 2007 | 05:37 PM
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baitmaster
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From: nevada
proportioning valve

Anyone know where I can get a prop valve for a decent price? For a '72 F100 4WD.
 
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Old Sep 14, 2007 | 03:07 PM
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If you mean a real one, Summit Racing. About $40.

If you are talking about the thing on your frame under the master cyl., it is not a port. valve. That is an equalizing valve in case one brake circuit fails, it shuts it off. Your master cyl. acts as the proportional valve on the 4 wheek drum brakes.
 
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