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Thread: 4th gen rear brake knock back....need solution

  1. #21
    Senior Member Grass-Passer Supercharged111's Avatar
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    I rosette welded the axles and got it down to ~.0115" on one side and ~.0135" on the other. I feel like the c clips got rid of more than just the 6 and 7 thou that I measured. We'll have to see how the car feels now at a cheatin' bastard practice session.
    RM CMC Director

  2. #22

  3. #23
    Senior Member Grass-Passer Supercharged111's Avatar
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    Quote Originally Posted by liquidroam View Post
    I know on the older GMT400 and GMT800 trucks that the residual valve lived inside the master cylinder and that they used different valves for drum rear vs disc. I wonder if the Camaros have it inside the master or inside the now non-existent ABS pump?
    RM CMC Director

  4. #24
    I installed one in my car back in the day. Didn't make any difference.
    Al Fernandez
    CMC National Director

  5. #25
    Senior Member Grass-Passer Supercharged111's Avatar
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    So for what it's worth, the tighter used stock hubs combined with new Dorman c clips and rosette welded axle shafts made a huge difference in braking performance. I still have knowingly spread C5 calipers and need a left foot poke after a sweeper, but braking is dramatically improved from last season and a great deal of confidence has been restored to the car. Got Pranav's axle clips today and can't wait to try them out! I measured them at .167" vs .159 on the Dormans.
    RM CMC Director

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