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  1. #1 LIM and M90 Supercharger port Mod 
    GT Level Member Flip97GTP's Avatar
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    I'm going to be modifying and Porting my Lower Intake Manifold and M90 Supercharger.

    This are the tools and parts I'm going to be using.

    For Porting M90 Supercharger and the endcap of the LIM:

    Dremel Model 200 - https://www.dremel.com/en-us/tools/P...pid=200+Series

    For the LIM TB Coolant Passage Mod:

    Here is a good write-up by BillBoost
    http://www.grandprixforums.net/showthread.php?t=46931

    IRWIN Adjustable Tap Handle & Reamer Wrench 12498
    This is what worked best for me, but you can use whatever works best for you.

    http://www.sears.com/irwin-hanson-ir...-SPM3222753201

    IRWIN 1903 Taper Pipe Tap 1/4-18 NPT NEW 1903ZR Carbon Steel Thread Cutting
    http://m.ebay.com/itm/111138306639?nav=WATCHING_ACTIVE

    5 PCS 1/4"NPT Brass Internal Thread Socket Pipe Plug
    http://m.ebay.com/itm/331330247205?nav=WATCHING_ACTIVE

    Engine Coolant Water Bypass Gasket ACDelco GM Original Equipment 24505049
    http://m.ebay.com/itm/121394743297?nav=WATCHING_ACTIVE

    I don't think I'm missing anything, but if I am please let me know! I will also be posting pics of this project as I go.

    Any suggestions are more then welcomed.

    P.S. Don't buy anything from China on eBay unless you want to wait a month to get it........Lol!
    Last edited by Flip97GTP; 12-30-2014 at 12:17 PM.
    My 1997 Grand Prix GTP progress build thread!
    Mods At The Moment: 160+ Amps Alternator.
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