1. oldkimmer

    oldkimmer FABO Gold Member FABO Gold Member

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    Hi there. I have a 74 duster race car with factory manual discs and 10 in rear drums. What would be the best aluminum factory style master cylinder Bore size and application. Thanks. Kim. It runs low 10.s
     
  2. Sedanman

    Sedanman 67-9 Valiant specialist FABO Gold Member

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    DrDiff sells the 15/16 bore aluminum master reasonable.
     
  3. 440DART1970

    440DART1970 1970 Dart 446ci Swinger

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    This is what we use. You also need the four into two adapter available on eBay/ Mancini racing or dr. Diff. This master cylinder is Also available at AutoZone or any auto parts store... just cross reference this part number everybody's using it.. I'm also using ir...don't waste you money on more expensive ones..
    The Application is a 1987 dodge ram master cylinder

    Look at this on eBay Brake Master Cylinder fits 1978-1989 Plymouth Gran Fury Volare DORMAN - | eBay Screenshot_20170325-190716.png
     
  4. DoctorDiff

    DoctorDiff Well-Known Member

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    Although 1980s pickup master cylinders look the same on the outside, their 1 1/8" bore yields a hard pedal and low clamping force at the calipers when used in most passenger car applications.
     
  5. oldkimmer

    oldkimmer FABO Gold Member FABO Gold Member

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    Yes, Cass that is what I heard. Thanks. Kim
     
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