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Will a LS7 intake manifold with a 90 mm throttle body fit an ls1?

This is a discussion on Will a LS7 intake manifold with a 90 mm throttle body fit an ls1? within the General Help forums, part of the LSx Technical Help Section category; like title says will this work with our model and if so how do I make it work? what size ...

  1. #1
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    Will a LS7 intake manifold with a 90 mm throttle body fit an ls1?

    like title says will this work with our model and if so how do I make it work? what size is our throttle body.. thanks guys

  2. #2
    Space Cadet RainMan's Avatar
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    Exclamation LS7 Interchange Info

    Quote Originally Posted by JehalinTA
    like title says will this work with our model and if so how do I make it work? what size is our throttle body.. thanks guys
    No, the LS7 Intake is wider than LS1/LS6/LS2, due to the taller cylinder heads used. See the complete LS1, LS2, LS6, LS7 Spotters Guide & Tech article in the March 2006 issue of "Chevy Rumble" magazine.

    Website to the publisher:
    http://www.chevyrumble.com/

    Link to Street & Performance, reference to Chevy Rumble Article:
    http://www.hotrodlane.cc/

    I have the issue so, if there are more interchangeability questions feel free to post up! Glad to help if I can.

    With the LS1 you are better off with an LS6 intake. Use one of the aftermarket units like the F.A.S.T. if you want to run the 90mm TB
    TPIS also makes a large mouth oval intake. It's basically a modded LS6 intake but looks pretty damn good, expensive though if you don't have an LS6 core to send.

    http://www.tpis.com/index.php?module...ed+LS6+Intakes
    Last edited by RainMan; 03-30-2006 at 02:09 PM. Reason: Additional info

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