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03 zo6 heads

This is a discussion on 03 zo6 heads within the Corvette forums, part of the Vehicle Specific category; Does anyone know what the casting or part number is for a 03 zo6 heads ? reply to thread or ...

  1. #1
    o4goatman
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    04 gto A/T

    03 zo6 heads

    Does anyone know what the casting or part number is for a 03 zo6 heads ? reply to thread or e mail me joc1367@sbcglobal.net

  2. #2
    Junior Member
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    1997 Corvette

    Quote Originally Posted by jinouk67 View Post
    Does anyone know what the casting or part number is for a 03 zo6 heads ? reply to thread or e mail me joc1367@sbcglobal.net
    They are 243 castings

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    Member smokeyburnouts's Avatar
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    2002 Pontiac Trans Am WS6

    Quote Originally Posted by Deneau Valteau View Post
    They are 243 castings
    correct. i have them with the z06 cam on my ws6. its a decent, reliable upgrade.

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    o4goatman
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    04 gto A/T

    Thanks, for the replys. How many h/p did the heads produce?

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    Member smokeyburnouts's Avatar
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    2002 Pontiac Trans Am WS6

    i havent dynoed my car yet. i have pretty much everything converted to GM LS6 (but my LS6 heads were ported before installation), MTI lid, smooth bellow, Shaner S3 throttle body, catback and had the z06 tune flashed on. so im hoping for somewhere close to 360s at the wheels. i dunno if thats expecting too much, but thats what i'm hoping. regardless, the cam/heads should boost your pull from about 3,000rpm on up.

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