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

Master cylinder question-PB conversion

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Old Feb 17, 2003 | 10:07 PM
  #1  
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bigric
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From: Round Rock, TX
Master cylinder question-PB conversion

This is a very tired thread, but I've got a question that I haven't found directly addressed in either Ken's article or the forums.

I've got a front drum F100; I've got a master cylinder and booster from a '73 front disc. I believe that all I need to change (besides spindles and lines, of course) is the proportioning valve. Correct me if I'm wrong. Thanks.
 
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Old Feb 18, 2003 | 05:23 AM
  #2  
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Master cylinder question-PB conversion

Ric, the proportioning valve will need to be added as part of the swap, because of the disc/drum setup.
 
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Old Feb 18, 2003 | 05:45 AM
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Supercab
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From: Palm Bay, Florida
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Cool Master cylinder question-PB conversion

Could I jump in here and ask a related question??
Why would a proportioning valve be different (smaller) on a '73 F250, verses a '78 F150?? I'm doing a disc swap on an Econoline van using stuff from the '73 F250, and the Prop. valve is smaller than that on my '78 F150. Thanks!
 
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