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Throttle Body sizes

This is a discussion on Throttle Body sizes within the General Help forums, part of the LSx Technical Help Section category; to bad you bought one, after talking to you i looked at prices and saw the polished 80 for 180...

  1. #21
    Senior Member greatwhiteZ28's Avatar
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    to bad you bought one, after talking to you i looked at prices and saw the polished 80 for 180

  2. #22
    Senior Member greatwhiteZ28's Avatar
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  3. #23
    Member blackls1ta's Avatar
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    Quote Originally Posted by Sam-SS View Post
    In the mean time I came across a place that claims to bore stock TBs to 78mm on eBay. Check this out.

    http://cgi.ebay.com/ebaymotors/ws/eB...167733472&rd=1
    i bought 1 from that guy does good job you have to send your stock one ba ck to him then will credit you your 80 you pay up front,made a differnce on my ta has all the mods done on it too but im movin up 2 90/90 so im gonna sell it

  4. #24
    Senior Member greatwhiteZ28's Avatar
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    going back on the TB arm, does anyone know why M6;s had shorter ones ((((purpose)?

  5. #25
    Member Sam-SS's Avatar
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    Quote Originally Posted by greatwhiteZ28 View Post
    going back on the TB arm, does anyone know why M6;s had shorter ones ((((purpose)?
    I did not know that the M6 had the short arm and the auto
    has the longer one. I thought that the long and short were for different year models.

    As to why the stick would have the shorter one, I do not have the foggiest idea but I do know that with my M6 I sure do like the shorter one better.

    ...>>Sam

  6. #26
    Senior Member greatwhiteZ28's Avatar
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    Quote Originally Posted by Sam-SS View Post
    I did not know that the M6 had the short arm and the auto
    has the longer one. I thought that the long and short were for different year models.

    As to why the stick would have the shorter one, I do not have the foggiest idea but I do know that with my M6 I sure do like the shorter one better.

    ...>>Sam


    OMG i screwed up, read your post wrong, i thought you said you liked the shorter ones on sticks. but after reading you said older/newer cars

    thats what i ment to say, about the different in years ????????

    MY BAD, sorry

  7. #27
    Member Sam-SS's Avatar
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    Quote Originally Posted by greatwhiteZ28 View Post
    OMG i screwed up, read your post wrong, i thought you said you liked the shorter ones on sticks. but after reading you said older/newer cars

    thats what i ment to say, about the different in years ????????

    MY BAD, sorry
    Ok, I can report that I received the polished 80mm Throttle body and it came with both the long and short arms. Of course I put the short arm on. The piece is really nice. When I put it on, it seemed to help with my chronic driveability issues. It seemed to improve the power as measured by the "seat of the pants" method. However, it is hard to determine how much it helped as my tuner was continuing to refine the programming when I put the TB on. The only problem that I had is that the tapered spacer plate that goes between the TB and the LS6 intake manifold had quite large holes
    in it making it a bit difficult to get it lined up correctly.

    ...>>Sam

  8. #28
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    Be careful of that Ebay site that ports throttle bodies. They cheated me on the core charge.

  9. #29
    Senior Member greatwhiteZ28's Avatar
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    Quote Originally Posted by Sam-SS View Post
    Ok, I can report that I received the polished 80mm Throttle body and it came with both the long and short arms. Of course I put the short arm on. The piece is really nice. When I put it on, it seemed to help with my chronic driveability issues. It seemed to improve the power as measured by the "seat of the pants" method. However, it is hard to determine how much it helped as my tuner was continuing to refine the programming when I put the TB on. The only problem that I had is that the tapered spacer plate that goes between the TB and the LS6 intake manifold had quite large holes
    in it making it a bit difficult to get it lined up correctly.

    ...>>Sam
    nice, any installed pics??

  10. #30
    Member Sam-SS's Avatar
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    Quote Originally Posted by lonewolf37 View Post
    Be careful of that Ebay site that ports throttle bodies. They cheated me on the core charge.
    The 80mm that I got is not a bored OEM unit. These are totally new and a nice piece at that. They are very reasonably priced at $209 for the polished and free shipping if over $200. I will try and post some photos.

    ...>>Sam

    P.S. Here is the URL to this item:

    http://www.professional-products.com/throttleLS1.php
    Last edited by Sam-SS; 11-03-2007 at 01:24 AM. Reason: Add PS w/URL

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