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Do 1 ton axles require new master cylinder

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by lasvegas, Jul 11, 2001.

  1. lasvegas

    lasvegas 1/2 ton status

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    Las Vegas, Nevada
    Okay, my truck is in the shop right now and they are installing my D60 in the front, a 14BB in the rear, a new GM crate ZZ4 in the engine compartment, a new centerforce clutch and new 38.5" boggers on new wheels. I saved a lot of nickels and did a lot of planning to do this all at once. I have two questions on the axles and brakes and I hope someone can help:

    1) WIll the stock master cylinder on my '78 be adequate to operate the brakes on the new axles (I do not know much about brakes) and do I need anything like a different proportioning valve or something; and,

    2) Does anyone have a source and/or part number for the brake lines I need (6" total lift and I prefer steel braided).

    Thanks for any help.
     
  2. Boss

    Boss 1/2 ton status Author

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    No, 1 ton axle swap does NOT require MC change. I have use the stock one with my K5. I also have rear disk brakes and 34" long SS brake hoses up front. Brakes stops on a dime.

    You can get SS brake hoses for up to 29" long from SuperLift. Forget the part #, but it's for 12" lifts. They sell shorter hoses too, for 6" lift and stuff. SkyJacker does also. Their longest is like 23" or so.
    Boss

    89' 1 TON of FUN K5
     
  3. SAVAGE1

    SAVAGE1 1/2 ton status

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    Sounds like someone hit it big at the casino!! That is a kick a$$ setup... not to mention expensive. Make sure to take lots of pics so we can drool over them when its done.

    85 K5 6"ProComp 35"Boggers... and it's still not BIG ENOUGH!!
     
  4. BurbinOR

    BurbinOR 3/4 ton status

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    Did that conversion two months ago MYSELF [​IMG] and am still running the stock '79 master cylinder and booster. Just had to powerbleed the brakes when we were done and it stops like NOW.

    Hmmmmm, based on your screen name and the work you have being done, I'd say you hit the jackpot at Caesars!!!!!!! LOL>.............

    <font color=blue>'79 ONE TON TPI K5 - See it at---&gt;<A target="_blank" HREF=http://www.blazzinor.alloffroad.com>http://www.blazzinor.alloffroad.com</A>
     
  5. K5RON

    K5RON 1/2 ton status

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    Wow! ..............A ZZ4, my K5 is green with envy.....O.D. green actually!

    Ron
     

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