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Thread: master cylinder part number help

  1. #1
    Join Date
    Jan 2007
    Location
    southwest virginia
    Posts
    84

    Default master cylinder part number help

    Does anyone have an aftermarket part number that will work in place of the factory m715 master cylinder? I have read I can use a dual one but would prefer to go back with the way it is.If there is not an aftermarket direct replacement ,then a part number for the dual reservoir will be appreciated
    Thanks

  2. #2
    Join Date
    Jul 2007
    Location
    Rhoadesville, Virginia (five miles from no place)
    Posts
    5,125

    Default

    Stock master cylinders are still available.

    Search here revealed this:

    Master Cylinder Replacement / Rebuild

    That said, if you plan on driving much, I'd do the dual master cylinder upgrade. One line, wheel cylinder or hose failure and with a stocker, you have ZERO brakes.
    "Free advice is worth what you pay for it."™

  3. #3

    Default

    stock ones go on ebay, but I chose the dual swap and it was very easy. All that was required was the master, one line plug for the distribution block and some new line.
    I went with the Napa master cyl: # m1922, 1" bore, 67-76 corvette w/ manual brakes. Works great so far... While I was at it, I replaced all four of the wheel cylinders and all of the lines. The wheel cylinders where $4 each at Rockauto.com and the new lines were also cheap and easy to run. Soft lines were cheap surplus also. For the added safety and reliability, it is worth every penny to me.

  4. #4

    Default

    Do you guys run these corvette master cylinders with or without brake boosters? I've run junkyard wagoneer master cylinder/brake booster combos in the past usually have leaks at the booster somewhere.

  5. #5
    Join Date
    Jun 2009
    Location
    Litchfield Illinois
    Posts
    596

    Default

    Mine has the Corvette master cylinder without power brakes. I replaced the wheel cylinders with the Ford ones as posted here on the site. With 38 inch Mudders it stopped fine.

  6. #6
    Join Date
    Jul 2007
    Location
    Rhoadesville, Virginia (five miles from no place)
    Posts
    5,125

    Default

    I use a Jeep Grand Cherokee master cylinder and booster from a '94 ZJ and the Ford wheel cylinders on stock axles with 38" Michelins. It stops just fine, and honestly about as good as most disc brake vehicles I've had, except when the brakes get really, really hot and start to fade. But that's just drum brake limitations.
    "Free advice is worth what you pay for it."™

  7. #7
    Join Date
    Jan 2007
    Location
    southwest virginia
    Posts
    84

    Default

    does the pedal travel and stock push rod all work correctly when you go with the corvette master I dont want to run a brake booster.

  8. #8
    Join Date
    Dec 2003
    Location
    Giddings, Texas
    Posts
    7,732

    Default

    Mine did. Others have changed the rod length.
    Remember if you didn't build it you can't call it yours.

    6.2 powered M715, 5 M1009's, M416, 2 M101's, 2 M105's, 3 M35's, M1007 6.5 turbo Suburban project called Cowdog.

    https://www.youtube.com/channel/UCCz...HGkBCfhXZ5iuaw

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