Discussion in 'The Garage' started by rubbinz raczn, Dec 26, 2004.

  1. rubbinz raczn

    rubbinz raczn 1/2 ton status

    Oct 4, 2004
    Likes Received:
    too far north!
    hey! i am gonna be swapping a d60 front and 14ff rear into the 85 1/2 ton i just got. question is the master cylinder is the one with plastic resivoir. is this up to the task for the bigger brakes? i also plan on putting discs on the 14bolt rear. i have a adjustable prop valve if need be. what i am most concerned about is fluid capicity. thanks
  2. readymix

    readymix 3/4 ton status

    May 30, 2004
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    Murrieta, California
    I have an 87 Longbed V-10 with a D60 and a 14FF with the disc swap. Before the disc swap the rears would lock-up very easy on the street. I figured out it was because the drums were scored so bad they could not be turned. So i installed a Willwood Adj Prop Valve and it was a little better.
    After the disc swap it was much better. I have played with the prop valve quite a bit and i think that it is necessary, at least in my truck.
    Without it the rears will lock up way before the front will.

    Btw the MC and res are stock to the V-10

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