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HEADS difference between 98 and 04

This is a discussion on HEADS difference between 98 and 04 within the Internal Engine forums, part of the LSx Technical Help Section category; ok, im looking into heads now. Just wondering, is there a difference between a 98 cyclinder head and a 04 ...

  1. #1
    Senior Member JoshuaGrooms83's Avatar
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    98 Trans Am

    HEADS difference between 98 and 04

    ok, im looking into heads now. Just wondering, is there a difference between a 98 cyclinder head and a 04 ls1 cyclinder head? I found a set of 04 ls1 heads on ebay for a pretty good price and complete. I know they have different valve covers, but what about the internals? anypower difference?

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    Sold: LS1 '85 El Camino ls1camino's Avatar
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    2000 Grand Prix GTP
    2000 Trans Am WS6 M6

    '98 heads have provisions for perimeter bolt valve covers, so you would need center bolt valve covers and coil pack mounting brackets.

  3. #3
    your parts guy!!! 1fastcamarosss11's Avatar
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    trans am 00 ws6
    1998 camaro ss vert

    you are looking for cast number 243 those are the ls6 ones best stock head. that i know of. if doing this swap you should get a cam at the same time too. get some stage 2 patriots. those will work well with budget in mind.

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