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1 ton master cilander (pushrod)

Discussion in 'The Garage' started by wraenking, Nov 14, 2006.

  1. wraenking

    wraenking 1/2 ton status

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    since i failed inspection for the rear brakes not appkying enough (rear disc conversion) i installed a 1 ton master cilander to see if that would help. the rear discs are getting warm now, but im not sure if they are working enough.

    do i need to lengthen the push rod at all?

    thanks
     
  2. dremu

    dremu Officious Thread Derailer Premium Member GMOTM Winner

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    If you mean the pushroom from the booster to the master, NO. Don't go fiddling with it or you WILL pop your master cylinder.

    Ask me how I know. :doah:

    If the rear isn't applying ENOUGH, you should be thinking about bleeding the brakes... rears usually apply too MUCH, thus the proportioning valve thing.

    Or reset your stock combo valve -- but you do that as part of the bleeding process, right?

    -- A
     
  3. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    If it's a pick-up it may be the load sensing prop valve is mis-adjusted...

    If it doesn't have the load sensing prop valve I'd be looking at the standard prop/combo valve on the front crossmember. Usually if they're not 'centered' the brake light will be on though...but it could just be limiting flow to the rears.

    I run rear discs and can lock all 4 tires (39.5's) on dry pavement. Hydro boost, '83 C30 master, stock prop/combo valve, and D44 calipers in the rear.

    Rene
     
  4. YZEATER

    YZEATER 1/2 ton status

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    put the rear up on jack stands and test your brakes, and the holding power by putting it in drive and see if the wheels stop. also try in 4 low( with hubs unlocked of course.
     
  5. wraenking

    wraenking 1/2 ton status

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    ill try that this weeknd. thanks for the info.
     

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