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What cast heads should i have

This is a discussion on What cast heads should i have within the Firebird / WS6 forums, part of the Vehicle Specific category; I thought 98 through 2000 was 853 cast on the heads and 01s and 02 had 241, however my car ...

  1. #1
    Impounded
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    Red
    2000 Trans Am

    What cast heads should i have

    I thought 98 through 2000 was 853 cast on the heads and 01s and 02 had 241, however my car is a 2000 and i have 241 heads. I was thinking maybe my car was made later in the year or something like that or maybe the heads were switched over all i really wanna know is did 2000 trans ams have 241 heads.

  2. #2
    Senior Member
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    Some of the 2K cars got 241 heads from the factory - my buddy got them on his SS.

  3. #3
    Impounded
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    Red
    2000 Trans Am

    that probably explains it

  4. #4
    Senior Member 35thAnniZ28's Avatar
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    eating bulldog
    son of biscuit

    which ones are better?

  5. #5
    Impounded
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    Red
    2000 Trans Am

    Neither

  6. #6
    Member nomorefords's Avatar
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    Electron Blue
    2002 EB Z06

    Quote Originally Posted by 2000T/A Guru View Post
    I thought 98 through 2000 was 853 cast on the heads and 01s and 02 had 241, however my car is a 2000 and i have 241 heads. I was thinking maybe my car was made later in the year or something like that or maybe the heads were switched over all i really wanna know is did 2000 trans ams have 241 heads.
    I have a 2001 z and my heads are 853, I'm confused!

  7. #7
    Firebird Encyclopedia 9T8W66's Avatar
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    Navy Blue Metallic
    `98 Formula M6 HdTp

    The `97-98 806 castings like mine are supposedly inferior, but I have never seen real documentation to verify that as fact.
    Overall all the LS1 heads are the same and will perform similarly.
    Craig
    Semi Retired Street Racer
    2012 Lava Red Mustang GT Coupe Brembo/3.73's
    Build Date 3/17/11, Last Lava Red GT

    Gone but not forgoten
    NBM `98 Formula M6 HdTp
    1 of 1 Build Date 3/12/98

  8. #8
    Member anniversary30's Avatar
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    White/Blue
    99 Trans Am

    just solve the problem and go get a good set of aftermarkets. They are much better.

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