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98 (806's) on a 99 LS1

This is a discussion on 98 (806's) on a 99 LS1 within the Internal Engine forums, part of the LSx Technical Help Section category; How hard is it to put these heads on a 99 LS1, I know there was a difference in them ...

  1. #1
    Senior Member Wheeler99WS6's Avatar
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    black, 05 Roush
    black, 99 T/A WS.6

    98 (806's) on a 99 LS1

    How hard is it to put these heads on a 99 LS1, I know there was a difference in them but cant remember I tried to search it but found nothing.

  2. #2
    Firebird Encyclopedia 9T8W66's Avatar
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    Navy Blue Metallic
    `98 Formula M6 HdTp

    Perimiter bolt valve covers vs Center bolt Valve covers.
    And the coils mount to the valvecover not to a bracket.
    Craig
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    NBM `98 Formula M6 HdTp
    1 of 1 Build Date 3/12/98

  3. #3
    Senior Member Wheeler99WS6's Avatar
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    black, 05 Roush
    black, 99 T/A WS.6

    so with the 98 valve covers the 806's would work correct?

  4. #4
    Firebird Encyclopedia 9T8W66's Avatar
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    Navy Blue Metallic
    `98 Formula M6 HdTp

    Yes

  5. #5
    ORNGP33L 1BADDLS1's Avatar
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    Quote Originally Posted by Wheeler99WS6 View Post
    so with the 98 valve covers the 806's would work correct?
    j/w - why do you want to go to 806's?

  6. #6
    Senior Member Wheeler99WS6's Avatar
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    black, 05 Roush
    black, 99 T/A WS.6

    Not that I necessarily want to go 806's but a moderator on here has informed me he might be selling his and they are ported 806's.

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