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MASTER CYLINDER QUESTION . 1/2-1TON

Discussion in 'The Garage' started by CHEVY 4WD, Jun 27, 2003.

  1. CHEVY 4WD

    CHEVY 4WD 1/2 ton status

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    Ok a wile back I rembered someone saying they got a 1ton MC for there truck. Well I went to napa and bought a 84K30 MC (for my 84 K10) well the push rod is WAY to short and where the MC seals up to the booster is too small. ANY Idea's?
     
  2. Don

    Don 1/2 ton status

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    Go to Your local pick a part yard, and dig up a Booster, and the rod. /forums/images/graemlins/grin.gif
     
  3. Confedneck

    Confedneck 3/4 ton status

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    would that be, one ton booster?
     
  4. Confedneck

    Confedneck 3/4 ton status

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    and what kind of corvette m/c fits a stock half tonner booster?
     
  5. boz42

    boz42 1/2 ton status GMOTM Winner

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    there is 2 one ton versions. i think they are called jb4 & jb7 systems. u got the wrong one the other one is the one u need. the rod length is the only difference i could find between them. /forums/images/graemlins/thumb.gif
     
  6. Erikdlux

    Erikdlux Registered Member

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    Why dont you just make an adapter? I dont know how the truck setups look but I made one for my FJ40. If you make an adapter you can also make the adapter as wide as you need so the push rod isnt so long.

    Here is a picture of the same idea I did. Like I said its for Toyotas but maybe it will help you out.

    http://rockstomper.com/catalog/brakes/gmtoymaster.htm
     
  7. Confedneck

    Confedneck 3/4 ton status

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    he ended up using a 3/4 ton m/c from either a 79 or 82, dont remember, the guy at the counter was just grabbin them for us...but if we had made an adapter, it would have made the pushrod even shorter...which it was already too short to reach for the one ton unit....thanks to all of ya for helpin..chevy4wd might be offline for a day or so, due to his house move..and thanks to the napa counter guy for bein so helpful!
     

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