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Thread: Tytd diesel

  1. #1

    Default Tytd diesel

    Hi question is where do i tap i to install a boost gauge

  2. #2
    Join Date
    Apr 2001
    Location
    CA
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    13,051

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    Welcome to the Forums.

    For what vehicle/engine?

    Once answered, I'll move this thread to the appropriate forum.
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

  3. #3

    Default Tytd

    Sorry it's a 2003 chevy with a duramax eng LB7

  4. #4
    Join Date
    Apr 2001
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    CA
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    OK. You have a couple options. Simple and less accurate, or more involved and more accurate.

    The simple way is to just Tee into the wastegate control line from the turbo compressor housing (follow the short hose from the WG pod). Easy to access, no tooling (except installing a tee into the rubber hose), no drilling, no wrenching. However, it taps right off the compressor, so it's subject dynamic fluctuations and not a real representative of what's actually happening at the intake.

    The other (correct) way is drill and tap the intake pipe, adjacent to the intake heat element boss, clear of the end of the CAC hose connection. If you remove the intake heater and replace it with a plug, the plug can be tapped (I think Kennedy sold such an item, already tapped). Once the CAC hose is removed, I use a plug in the pipe (made from a spray can cap, duct taped in place) with a hole to accept an shop air nozzle. Then, drill and tap with it under pressure so no shavings stay in the intake pipe. Or, you could remove the pipe and drill/tap it off the engine. You'll need a 1/4" tap if using a bushing, or 1/8" if threading the line coupler direct into the pipe.
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

  5. #5

    Default Tytd diesel

    Thanks I'm going to go with the second option

  6. #6
    Join Date
    Mar 2000
    Location
    Loyal WI US
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    10,773

    Default

    One of my older running Tech Tips:

    http://www.kennedydiesel.com/dmaxguages.cfm
    Kennedy Diesel-owner
    More than just a salesman-I use and test the products that I sell on a daily basis!
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