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5.3 with LS2 Heads and Cam

This is a discussion on 5.3 with LS2 Heads and Cam within the Internal Engine forums, part of the LSx Technical Help Section category; I have a 5.3 2004 Silverado I just purchased an LS2 out of a 2006 GTO for my 1970 Chevelle. ...

  1. #1
    Junior Member
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    Nov 2005
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    Nebraska
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    Red
    1970 Chevelle

    5.3 with LS2 Heads and Cam

    I have a 5.3 2004 Silverado

    I just purchased an LS2 out of a 2006 GTO for my 1970 Chevelle. I am going to upgrade the cam/pushrods for sure and possibly the heads. So instead of selling the LS2 heads and cam I figured I could use them on my Silverado.

    Has anyone else put a LS2 cam and 243 Heads in/on a 5.3? I think they are compatible, correct me if I am wrong. Also how much tuning is involved and who is able to do this? The Silverado is my daily driver so it must be a quick turn around.

    Thanks for your input.

  2. #2
    Senior Member mrr23's Avatar
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    Jul 2005
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    orlando, fl
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    7,134

    dark bowling green
    2000 corvette

    yes, it will interchange. should do pretty good. the only thing i'm not sure about is valve to cylinder wall clearance.

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