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  • 1 Post By 53 Chevy5

Thread: 1951 Chevy 3100 Disc breaks

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  1. #1
    ecratrods's Avatar
    ecratrods is offline CHR Member Visit my Photo Gallery
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    Jan 2013

    1951 Chevy 3100 Disc breaks


    I have a 1951 Chevy 3100 pick up Camaro front clip and ford 9" Rear It has a frame mounted master cylinder/booster Can I run straight lines to calipers or do I need a proportioning valve?

  2. #2
    53 Chevy5's Avatar
    53 Chevy5 is offline CHR Member Visit my Photo Gallery
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    Jan 2005
    Doon, Ia
    Car Year, Make, Model: 53 Chevy 3100

    You will need a proportioning valve , they are cheap and easy to put in and easy to adjust. If you have a master cylinder mounted in your frame you will also need some residual check valves to maintain a little line pressure in your brake lines so your brake pedal work on the first pump. I think they come in 2 and 3 psi but I can't remember which one is for the front and which one is for the rear, I'm sure someone will chime in who has a better memory than me. I would love to see some more pictures of your pickup!
    Dave Severson likes this.

  3. #3
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    Jul 2003
    Car Year, Make, Model: '67 Ranchero, '57 Chevy, '82 Camaro,

    Yup, what Seth said, you'll need residual valves on both the front and rear, a proportioning valve in the rear lines is always a good way to tune your brake pressure for even braking. Also, make sure your master cylinder is built for disc/drum or disc/disc applications depending on which yours is. I cheat and use a brake pressure gauge after the bleeding and leak checking is all done, usually shooting for about 20% higher brake pressure on the front, then I use the big parking lot at the college for a final brake check and tweaking the proportioning valve. If you don't have a college parking lot to "borrow" on a Sunday morning I'm sure any good lightly traveled black top would work!
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