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Thread: seafoam

  1. #1
    Jr. Engineer sharpshooterusmc's Avatar
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    Default seafoam

    i wanted to run seafoam through my 01 2500HD but it has hydroboost brakes. all i can find to do it this way is to run it through the pcv valve. do the newer vortecs have a pcv and where is it

  2. #2
    Jr. Apprentice
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    Default

    Quote Originally Posted by sharpshooterusmc View Post
    i wanted to run seafoam through my 01 2500HD but it has hydroboost brakes. all i can find to do it this way is to run it through the pcv valve. do the newer vortecs have a pcv and where is it
    on mine its on the back, driver's side corner of the engine. Has a hose running into it, obviously, that basically covers the valve so its hard to see
    2002 Chevy Silverado LS 5.3L 2WD
    Spectre CAI
    Flowmaster 40
    6000K HID Conversion Kit

  3. #3

    Default

    Check your previous post on the 24th. I researched some more and found that the pcv only feeds the back two cylinders.

    There is a Seafoam Spray that comes with a tube so you can go in through the trottle body and spray the plenum interior. Seafoam has a section on their site that addresses the Vortec.

    Good luck,

    1999 Chevy K2500 Suburban 350
    K&N, reworked cai, Thrush cat-backs
    Vinyl, cranks, floor shift, and rear air!

  4. #4
    Jr. Engineer sharpshooterusmc's Avatar
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    Default

    thx man, i appriciate it

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