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Throttle Body

This is a discussion on Throttle Body within the External Engine forums, part of the LSx Technical Help Section category; What brand and/or size of throttle body should I get, or should I wait to get an aftermarket manifold? The ...

  1. #1
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    Throttle Body

    What brand and/or size of throttle body should I get, or should I wait to get an aftermarket manifold? The only mods I have is a slp lid and hooker catback.

  2. #2
    Member kev70ss's Avatar
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    Pewter
    2000 Camaro ss

    i would keep the stock one, look into getting it ported and polished. Porting will net you some hp gains and its cheaper than a new throttle body

  3. #3
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    just get your stocker ported

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    How hard is it to go it yourself? Should I take it someone?

  5. #5
    We'll be back... GatorSS's Avatar
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    Light Pewter Metallic
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    Not hard, just a matter of putting in the time to do it. Or find someone who can do it well and for a price that is much less than you can earn in the time it takes to do it yourself.

    This guy does excellent work and at a price much less than it would cost me in lost time.

    http://www.s2performance.net/F-Body.html

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    www.installuniversity.com has a great write up.

  7. #7
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    Quote Originally Posted by GatorSS View Post
    Not hard, just a matter of putting in the time to do it. Or find someone who can do it well and for a price that is much less than you can earn in the time it takes to do it yourself.

    This guy does excellent work and at a price much less than it would cost me in lost time.

    http://www.s2performance.net/F-Body.html
    do you ship it to them? how long does it take to get it back?

  8. #8
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    Quote Originally Posted by GatorSS View Post
    Not hard, just a matter of putting in the time to do it. Or find someone who can do it well and for a price that is much less than you can earn in the time it takes to do it yourself.

    This guy does excellent work and at a price much less than it would cost me in lost time.

    http://www.s2performance.net/F-Body.html
    never mind about the shiping I got it. What is the difference between polished and satin finish?

  9. #9
    MOTOR CITY MARO' SSTODD's Avatar
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    If you want to set it on your desk get polished, satin is fine and cheaper and no performance difference since it is still very smooth.

  10. #10
    JUISSED Midnight02's Avatar
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    Navy Blue Metallic
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    I concur...with your mods, simply port the stock TB and hopefully you'll pick up a couple rwhp. If you decide to go with heads and a cam in the future, it will then be worthwhile to go with a bigger TB (as well as intake).
    2002 Camaro SS M6, 2.5 PRC 5.3L heads, TFS 228/230 cam, FAST 92, bolt ons + a 10 lb bottle in the back.


    1989 Corvette L98, A4, Full bolt ons, etc.

  11. #11
    Member c5z28's Avatar
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    On your ass flashing
    my highbeams

    how far out can you port the stock trottlebody? 78mm, 80mm?

  12. #12
    Member ApexVIII's Avatar
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    1998 Camaro Z28

    Quote Originally Posted by c5z28 View Post
    how far out can you port the stock trottlebody? 78mm, 80mm?
    porting removes the ridge infront of the tb blade, so its 75mm all the way threw.

    some people will bore it out to 78mm, but then they have to weld the bottom of it because it puts a large hole in the bottom

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