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porting stock heads?

This is a discussion on porting stock heads? within the Internal Engine forums, part of the LSx Technical Help Section category; is it worth fully porting the stock heads, and installing a performance valvetrain? what kinda gains would i get? or ...

  1. #1
    IMPORT SHITTER sradocena's Avatar
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    phantom grey
    1999 z-28

    porting stock heads?

    is it worth fully porting the stock heads, and installing a performance valvetrain? what kinda gains would i get? or is it better just to buy aftermarket heads? heads for the ls1 are fucking expensive. do you know of any good flowing heads that wont cost more than my short block?

  2. #2
    Impounded
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    Red
    2000 Trans Am

    With ls1 heads ported you can usually see 30 rwhp gain.

  3. #3
    Member C&Cbird's Avatar
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    Black
    1998 Trans Am

    Most people port or by ported stock heads all the time, definetly worth it unless you have a large inch motor going for big time power. You would need some aftermarket heads at that point.

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