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Vacuum Line Routing

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Stoopalini, Mar 14, 2005.

  1. Stoopalini

    Stoopalini 1/2 ton status

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    I am in process of installing a built motor in the Blazer. I am putting a Rochester Q-Jet on in place of where a Holley 600 used to be.

    The only vacuum lines I see are Vacuum Advance, Brake Booster, Vacuum Reservoir, Transmission (TH350), and a line going through the firewall. Am I missing any here?

    Can someone please tell me what ports these lines go to on the carb, or intake? I'm using an Edelbrock Performer dual plane which has a T style standoff for vacuum at the rear of the intake. I'm pretty sure the tranni line goes to this T directly on the manifold, but am not sure.

    Thanks for any info,
    Thomas.
     
  2. dyeager535

    dyeager535 1 ton status Premium Member

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  3. Stoopalini

    Stoopalini 1/2 ton status

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    Thanks Dorian, this will help.

    Just need to decipher what is still on the motor, since there's no EGR, air pump etc ... and I'm running an open element air filter.

    Thomas.
     

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