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vacume diagram?

Discussion in '1969-1972 K5 Blazer | Truck | Suburban' started by steve_kibbe, Jun 27, 2005.

  1. steve_kibbe

    steve_kibbe 1/2 ton status

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    does anybody have or know where I can get a vacume diagram for a 70 blazer? I haveen't been able to find anything.


    Thanks,
    Steve
     
  2. arq

    arq 1/2 ton status

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    I thought I saw something in the service manual. from where to where do you need to route lines??

    ARQ.
     
  3. steve_kibbe

    steve_kibbe 1/2 ton status

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    friend of mine is about done with his blazer and just asked if I could find one. I'm not exactly sure which lines he's doing. I don't think they have alot of vac. accessories, am I right. He has the distributor and the power brakes hooked up, but I'm not sure what else needs vacume.
     
  4. arq

    arq 1/2 ton status

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    well there is the distributor, TCS solenoid, smog pump, charcol canister, charcol canister control valve, booster, PVC, vacumm guage, TAC module, A/C, transmission, choke diaphram, and uh. i think i got them all... I kinda know where they all go except maybe the guage.

    ARQ.
     
  5. vtblazer

    vtblazer 1/2 ton status GMOTM Winner

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    When I put my blazer back together I found everything I needed in the service manuals.
    A/C controlls and all.
     
  6. arq

    arq 1/2 ton status

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    does his have a smog pump? I can take pics of mine (w/o pump), it's pretty much stock as it gets. send me an email and i'll send out some pics

    ARQ.
    arqdennis@sbcglobal.net
     
  7. steve_kibbe

    steve_kibbe 1/2 ton status

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    no, he doesn't have a smog pump. He pretty much has just a basic 350 w/o any smog stuff on it. I think he has a service manual, which one do y'all use, or is there only one?
     
  8. roechambeau

    roechambeau Registered Member

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    if your running an after market carb w/o any emmissions stuff or a/c....all you need is pcv, brakes and vac advance. that's as bare boned as it gets.
     

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