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Port and Polish GM LS6 Heads

This is a discussion on Port and Polish GM LS6 Heads within the Internal Engine forums, part of the LSx Technical Help Section category; I have a brand new set of GM LS6 heads that I am going to install on my 2000 Trans ...

  1. #1
    JMAC Racing WS6ICK's Avatar
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    2000 Trans Am WS6 LS6
    2006 GTO LS2

    Port and Polish GM LS6 Heads

    I have a brand new set of GM LS6 heads that I am going to install on my 2000 Trans Am, WS6, LS1. Should I get these heads ported and polished before I install them? Will the gains be worth it?

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    Absolutley

    Quote Originally Posted by 2000taws6 View Post
    I have a brand new set of GM LS6 heads that I am going to install on my 2000 Trans Am, WS6, LS1. Should I get these heads ported and polished before I install them? Will the gains be worth it?
    yes thats a positive yes having your heads ported and polished will improve intake flow and performance after you install the ls6 heads you should also have the car tuned for the new add on's to even further the performance gain.

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    yes it will be worth it

  4. #4
    Slowride
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    I was told running that head you wont be able to pass emissions.

  5. #5
    Senior Member INMY01TA's Avatar
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    Quote Originally Posted by Slowride View Post
    I was told running that head you wont be able to pass emissions.
    Most states except California don't do sniffer tests so I'd say balogney.

  6. #6
    Member smokeyburnouts's Avatar
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    yes. i had it done to mine, along with ls6 cam etc. its worth it. im pretty impressed with the way the car runs.

  7. #7
    member since may 2000 nhraformula's Avatar
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    Quote Originally Posted by Slowride View Post
    I was told running that head you wont be able to pass emissions.
    youll pass emissions.
    2000 nhra edition formula
    a few bolt ons, 379 rwhp
    11.96 @113.25

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