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Thread: Throttle body for a high tq/low rpm motor

  1. #1
    Join Date
    Nov 2008
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    Spring, TX
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    Throttle body for a high tq/low rpm motor

    What size TB would work best on high compression 243 head 5.3 for this application? Gonna be used for wheeling and towing.

    Edit: Forgot to mention i hope to run one of the infamous Rods and Minis custom intakes.
    Last edited by cjriojas; 07-23-2009 at 10:45 PM.
    '02 Silvy: Z71 EC Step Side 5.3L Nelson tuned
    2013 GMC Acadia: SLT1 Carbon Black
    1976 Corvette Stingray: Trying to save it, progress is slow.

    ^Ricky's Sweet PS Skilz
    09/21/2010 02:31 <danger_ranger83> I'm not really worried about the looks...I want it to be fast and ugly...bc no one wants to get outrun by something ugly

  2. #2
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    Really?! No one knows
    '02 Silvy: Z71 EC Step Side 5.3L Nelson tuned
    2013 GMC Acadia: SLT1 Carbon Black
    1976 Corvette Stingray: Trying to save it, progress is slow.

    ^Ricky's Sweet PS Skilz
    09/21/2010 02:31 <danger_ranger83> I'm not really worried about the looks...I want it to be fast and ugly...bc no one wants to get outrun by something ugly

  3. #3
    Join Date
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    S.A. Texas
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    3,751
    You need a linginfelter 106mm
    Name: Mark,
    God created turbo lag so nitrous trucks could have a chance.


    http://www.ls1truck.com/forums/my-ga...tml#post274877

  4. #4
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    lols...FAST 92?

  5. #5
    Join Date
    May 2009
    Location
    Plainfield, IL
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    Not sure size of TB matters as much as other things. Low RPM you don't pull too much air, even a stock one should handle it.




    With that being said i LOVE my bbk 80mm. The springs on it are alot stiffer and just FEEL like its making power lol
    blown transmissions are about as useful as 97% of the guys on this forum

  6. #6
    78mm ported and polished. Truck intake. Lq9 etc same as you have if its a 5.3
    99RCSB Broke because I wasted thousands and thousands of dollars on my truck.

  7. #7
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    Nov 2008
    Location
    Spring, TX
    Posts
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    Thanks, i just wasnt sure if i needed to compensate for the increase in intake flow from the heads. I would likely increase the size but i guess its something i can experiment with lol. Thanks again.
    '02 Silvy: Z71 EC Step Side 5.3L Nelson tuned
    2013 GMC Acadia: SLT1 Carbon Black
    1976 Corvette Stingray: Trying to save it, progress is slow.

    ^Ricky's Sweet PS Skilz
    09/21/2010 02:31 <danger_ranger83> I'm not really worried about the looks...I want it to be fast and ugly...bc no one wants to get outrun by something ugly

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