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stocktb

This is a discussion on stocktb within the External Engine forums, part of the LSx Technical Help Section category; what size is the hole in the blade of a stock ls1 throttle body? does anybody at all know what ...

  1. #1
    Member twoolley08's Avatar
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    black
    2000 trans am

    stock throttle body

    what size is the hole in the blade of a stock ls1 throttle body? does anybody at all know what it is
    Last edited by twoolley08; 11-17-2008 at 03:52 PM.

  2. #2
    Member twoolley08's Avatar
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    black
    2000 trans am

    anyone???? mne has been drilled out to 1/4'' i was just wondering what the stock standard hole is.

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    Member side2000's Avatar
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    2000 camaro ss

    looks like it's an 1/8 to me. hard to tell though im lookin at a pic.

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    Member noxside's Avatar
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    Purple 95 Camaro
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    Mines like that as well

  5. #5
    We'll be back... GatorSS's Avatar
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    Quote Originally Posted by twoolley08 View Post
    what size is the hole in the blade of a stock ls1 throttle body? does anybody at all know what it is
    7/64" as best I recall. Larger cams require larger holes to idle properly.

  6. #6
    Impounded
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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Quote Originally Posted by GatorSS View Post
    7/64" as best I recall. Larger cams require larger holes to idle properly.
    Not unless its a very very large unstreetable cam. Tuning should fix all idle issue, drilling the TB is the last option.

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