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Thread: Viper Brake / Big Brake Mediocre Performance

  1. #26
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    Did anyone ever find a definitive solution to the stiff pedal? The 4 piston Viper calipers and braided lines on the front of my 99 made the pedal too stiff and I was going to order the RAYBESTOS MC390508 master cylinder that's advertised as 15/16" bore but It's kind of a crap shoot if it's actually the smaller bore diameter and if it'll give a better pedal feel.

    '99 Custom R/T --1.92 heads, m1 2bbl, 52mm f&b, Mike Leach headers, Mopar 2400 stall, 4.56 rear, Comp cams custom grind cam, 1.6 roller rockers, K&N FIPK, Mopar PCM, MSD 6A, 24lbs injectors, APS trans, Flex-a-lite 180 fan

  2. #27
    niebs's Avatar
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    Quote Originally Posted by Nitrohog View Post
    Did anyone ever find a definitive solution to the stiff pedal? The 4 piston Viper calipers and braided lines on the front of my 99 made the pedal too stiff and I was going to order the RAYBESTOS MC390508 master cylinder that's advertised as 15/16" bore but It's kind of a crap shoot if it's actually the smaller bore diameter and if it'll give a better pedal feel.
    smaller bore will give a softer pedal.

  3. #28


    Corey's Avatar
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    Quote Originally Posted by Nitrohog View Post
    Did anyone ever find a definitive solution to the stiff pedal? The 4 piston Viper calipers and braided lines on the front of my 99 made the pedal too stiff and I was going to order the RAYBESTOS MC390508 master cylinder that's advertised as 15/16" bore but It's kind of a crap shoot if it's actually the smaller bore diameter and if it'll give a better pedal feel.
    It hasn't been 10 years yet. LOL!!!

    Seriously, upgrading the fronts to a least 2 piston should be better than the stock single. I am running the SSBS read disk kit, and would like to upgrade the fronts, and SSBS doesn't offer any caliper upgrades.
    DRTC #1176

    2000 Bright White CC (1/553)
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    1985 Kawasaki GPz550
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    1973 W100 Powerwagon


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  4. #29

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    Any new update or feedback here ? Anxious for a brake upgrade solution, may just go with the 03/04 setup ?

  5. #30

    I like free kittens

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    I haven’t had a customer yet complain about a stiff pedal when stepping to my brakes.

    But my front kits alone run $1750, so...
    --Tom
    **Photobucket can suck my nut**

    I'm a douchebag

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