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Free Mods!!!!!

This is a discussion on Free Mods!!!!! within the GTO forums, part of the Vehicle Specific category; What free mods do you know about? What are they and how do you do them? GTO mods of course...

  1. #1
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    Free Mods!!!!!


    What free mods do you know about?
    What are they and how do you do them?
    GTO mods of course

  2. #2
    n2ogto 1fastgto's Avatar
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    red
    2004 Pontiac GTO

    tb bypass, porting the tb, de screening the mass air and cutting down the bump stop on the tb so it opens 100%. i think those are all it not sure

  3. #3
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    black, and black
    04 M6

    bump stop

    i was going grind my bump stop down but my gto already opens all the way

  4. #4
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    black
    2006 pontiac gto

    What do u mean by the tb bypass and what bump

  5. #5
    Junior Member DMONICGTO's Avatar
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    BLACK
    2004 GTO A4

    Tb Bypass Is Where You Take Both Coolant Hoses And Diconnect Them From Tb. It Takes Maybe 5 Min And About 5 Bucks. It Consist Of 1-male Coupling & 2-sm Hose Clamps(this Is For The 2 Hoses You Diconnected) And 2-rubber Caps(to Plug Off The Inlets On Tb). Hope This Helps
    2004 PBM A4 GTO
    BEST 1/4-11.667 @ 116.42--B4 build
    CARBED SBC/300 PLATE KIT/TH-350/10-BOLT

    2002 LIGHTNING #2503 CUSTOM PAINT(TOW PIG)
    1998 RANGER BAGGED/BODIED W/302
    2007 CX-7-WIFE'S EXHAUST CAI
    1966 MUSTANG CODE-C 289-WIFE'S

  6. #6
    StageOneGTO
    Guest
    how much horse power does this add if any and will it effect the performance

  7. #7
    Member tyxpx's Avatar
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    Impulse Blue
    2006 GTO

    The tb bypass does'nt really add HP...What it does is stop the flow of hot coolant flowing through your tb in turn keeping you tb cooler and keeping the airflow though it cooler.

  8. #8
    Veteran Hi-Po's Avatar
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    1999 TA WS.6

    Also, I remember Sarge saying something about a fuel line that comes from the factory with a nice "kink".

    Buy a braided fuel line and get rid of that. Not exactly "free".... but it cant be too much.

  9. #9
    Junior Member 06 Blue Devil's Avatar
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    blue
    06 GTO

    Quote Originally Posted by bk06gto View Post
    What do u mean by the tb bypass
    Quote Originally Posted by DMONICGTO View Post
    Tb Bypass Is Where You Take Both Coolant Hoses And Diconnect Them From Tb. It Takes Maybe 5 Min And About 5 Bucks. It Consist Of 1-male Coupling & 2-sm Hose Clamps(this Is For The 2 Hoses You Diconnected) And 2-rubber Caps(to Plug Off The Inlets On Tb). Hope This Helps
    The throttle body bypass is for 04 LS1 engines only, the 05 &06 LS2 donot have coolant flowing through them,. So this mod is for the 04 and older LS1s

  10. #10
    Nitrous Tuner LS2Tuner's Avatar
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    Quote Originally Posted by Hi-Po View Post
    Also, I remember Sarge saying something about a fuel line that comes from the factory with a nice "kink".

    Buy a braided fuel line and get rid of that. Not exactly "free".... but it cant be too much.
    Yeah it's the line that connects on the right rear bottom of the tank. It connects the tank to the steel fuel line that runs along the sub frame.
    6 out of the 7 I've worked on have been kinked.
    It looks as if the tank was set down in the trunk with the line already attached to the tank. That hard plastic line has a memory of the kink even after it being removed and stays closed with a restriction.
    I usually replace it with a nice piece of Earl's Super Stock 3/8" hose.
    You can reuse the stock hose barbs that go into the "quick disconnect" fittings. Just use caution while cutting off the hard plastic line from the barbs on the fittings.
    Don't be afraid of the bottle!!! Be afraid of your tune!!!

  11. #11
    Nitrous Tuner LS2Tuner's Avatar
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    Quote Originally Posted by Hi-Po View Post
    Also, I remember Sarge saying something about a fuel line that comes from the factory with a nice "kink".

    Buy a braided fuel line and get rid of that. Not exactly "free".... but it cant be too much.
    Yeah it's the line that connects on the right rear bottom of the tank. It connects the tank to the steel fuel line that runs along the sub frame.
    6 out of the 7 I've worked on have been kinked.
    It looks as if the tank was set down in the trunk with the line already attached to the tank. That hard plastic line has a memory of the kink even after it being removed and stays closed with a restriction.
    I usually replace it with a nice piece of Earl's Super Stock 3/8" hose.
    You can reuse the stock hose barbs that go into the "quick disconnect" fittings. Just use caution while cutting off the hard plastic line from the barbs on the fittings.

  12. #12
    Black Sheep Cliffy's Avatar
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    2005 GTO

    Quote Originally Posted by 06 Blue Devil View Post
    The throttle body bypass is for 04 LS1 engines only, the 05 &06 LS2 donot have coolant flowing through them,. So this mod is for the 04 and older LS1s
    The '05-'06 drive by wire throttle bodies do not have bump stops on the throttle cam either.

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