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ls1 383 whats the best head

This is a discussion on ls1 383 whats the best head within the Internal Engine forums, part of the LSx Technical Help Section category; thx man...

  1. #21
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    thx man

  2. #22
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    Massaged AFR gets my vote

  3. #23
    Make real real sure Johns00Z28's Avatar
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    Thunder Racing has a new cam (247/251 .624/.632 112 LSA) for the 383 and with a set of 225 trickflows a guy cranked out 537rwhp and 488rwtq on a Mustang dyno.

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    get a custom cam,most shelf cams are designed for a 346.

  5. #25
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    red
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    rock the supercharger and whistle

  6. #26
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    Quote Originally Posted by Johns00Z28 View Post
    Thunder Racing has a new cam (247/251 .624/.632 112 LSA) for the 383 and with a set of 225 trickflows a guy cranked out 537rwhp and 488rwtq on a Mustang dyno.
    Holy Fark that is alot ! Mustang dynos ARE more easily manipulated than dynojets but either way I would LOVE those numbers !!

  7. #27
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    SOM
    1998 T.A.

    ETP has been out of business for a while now and Cary started a new company (Performance Induction) which updated the ETP design. They are best LS1 head on the market IMO and sell for about $2800 with rocker stands IIRC. TFS, AFR and the TSP proprietary 215's are also nice. Not a fan of ported stock castings.

    FAST no longer makes a 90 or 92mm Intake but only the 102. You can put a 90/92mm TB on it though....

  8. #28
    TunedbyFrost.com Tuner Frost's Avatar
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    Quote Originally Posted by SOMbitch View Post
    ETP has been out of business for a while now and Cary started a new company (Performance Induction) which updated the ETP design. They are best LS1 head on the market IMO and sell for about $2800 with rocker stands IIRC. TFS, AFR and the TSP proprietary 215's are also nice. Not a fan of ported stock castings.

    FAST no longer makes a 90 or 92mm Intake but only the 102. You can put a 90/92mm TB on it though....


    This! Definitely PI.

    I don't dislike a properly ported and milled set of 243s. I have had some big numbers come from them, but nothing like the aftermarket castings obviously.

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