Brake Master Cylinder

Discussion in 'RT/10 and GTS Discussions' started by HotRodMojo, Aug 3, 2015.

  1. HotRodMojo

    HotRodMojo Viper Owner

    Posts:
    17
    Joined:
    Jul 3, 2015
    Location:
    The Woodlands area in Texas
    Hey guys. I have a ’97 GTS that has a master cylinder bypassing, so I need to replace it. Though the master cylinder looks like nothing special,
    I do have a big brake kit installed made by Brembo. This car is a recent purchase and I do not have the history, but the pads and rotors look good.
    The dealership wants around $238 for a master cylinder. I have found some online such as Raybestos professional grade master cylinders for around $50.
    So I was thinking about replacing it myself and save some cash. The fluid in the cylinder is super clean so I imagine it has been flushed recently.
    The cap says use DOT 3 so I topped it off before the bypass issue.

    Question is; is there anything important to look for when buying aftermarket master cylinders for Vipers? Being an ex-mechanic, most cars it doesn’t matter,
    but this being a Viper and having the Brembo brake kit, I am not so sure. Another question is should I or can I switch to DOT 4?
    This will be mostly driven on roads, but it may see some track time in the future. I have heard DOT 4 can be used with DOT 3,
    but I was thinking about flushing it all. I would have to flush it through the wheels though since my car is lowered and my jack will not fit under.
    I was thinking just putting a tube on the bleeder and either gravity bleed or using a hand pump. If I do flush, How much brake fluid do you think I need?

    ’97 GTS Venom 650R
     
  2. HotRodMojo

    HotRodMojo Viper Owner

    Posts:
    17
    Joined:
    Jul 3, 2015
    Location:
    The Woodlands area in Texas
    The master cylinder was a perfect fit and worked fine. For $50, excellent deal and I couldn't find anything different than the original.
     
  3. xrealm20

    xrealm20 Viper Owner

    Posts:
    18
    Joined:
    Jun 4, 2015
    Good to know - also glad to connect w/ another Houstonian Viper owner
     

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