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weird brake setup on CUCV K5

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 84K5cedric, Mar 9, 2003.

  1. 84K5cedric

    84K5cedric 1/2 ton status

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    This is an 84 CUCV K5... why doesn't it have a brake booster and what's up with the lines that run from the PS pump up behind the master cylinder? Is this just non-power brakes? But what's up with the PS lines? /forums/images/graemlins/confused.gif /forums/images/graemlins/confused.gif

    [​IMG]
     
  2. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    That is "Hydro-boost". A diesel doesn't make vacuum so they use the pressure from the power steering to hydraulicly do the job. I have the same on my Jimmy.

    Rene
     
  3. Seventy4Blazer

    Seventy4Blazer 3/4 ton status

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    yeah, what rene said. good stuff. i converted my 74 as well.
    grant
     
  4. 84K5cedric

    84K5cedric 1/2 ton status

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    ok, so tell me... is it a good thing, or should it be changed over to a standard setup in the case of a 350 conversion?
     
  5. BLZN4FN

    BLZN4FN 1/2 ton status

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    A freind of mine had the booster and did a swap to the Hydro-boost setup and loves it to death. My k5 has 37 inch tires and when I go to stop it takes a little effort to stop.
    I have driven his K5 with 42 inch tires and hit the brakes it will all most put you in the windsheild I wish I had that setup on my Blazer.
     
  6. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    There is no reason to get rid of it. I find I get great braking with mine, that's with D60 front (big disc's) and a rear disc conversion on the rear. The pedal effort isn't huge, they're not overly sensitive, and the braking seems well balanced.

    You may need to find a way to mount the hydro boost resevoir/pump assembly on sbc brackets though.

    If the 6.2 is still good I'd just keep it...great motor for rock crawling! /forums/images/graemlins/thumb.gif

    rene
     

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