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ls1 heads

This is a discussion on ls1 heads within the Internal Engine forums, part of the LSx Technical Help Section category; is it worth it to put ls1 heads on a 5.3 truck....

  1. #1
    Junior Member
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    ls1 heads

    is it worth it to put ls1 heads on a 5.3 truck.

  2. #2
    Senior Member t-rock's Avatar
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    black
    2002 firehawk 94 Z28

    i dont know but i here some guys put 5.3 heads on ls1's.

  3. #3
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    2007 Silverado

    not really worth it. they would need to be milled quite a bit to get the compression back up

  4. #4
    Member C&Cbird's Avatar
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    1998 Trans Am

    Guys put the 5.3 heads on LS1s to bump up the compression ratio. Unless you are putting ported heads on, why do you ask?

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