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LS1 head compatibility

This is a discussion on LS1 head compatibility within the Internal Engine forums, part of the LSx Technical Help Section category; I have a friend that wants to use my LS1 heads on his older TPI setup 1986 Corvette. I have ...

  1. #1
    Junior Member
    Join Date
    Nov 2006
    Stillwater, MN

    LS1 head compatibility

    I have a friend that wants to use my LS1 heads on his older TPI setup 1986 Corvette. I have no clue if the bolt pattern is even the same.

    So this begs the question, what motors will fit the LS1 style heads? Only LSx blocks?

    Another question. I have the original LS1 camshaft as well. What motors will accept this cam? Any small block chevy?


  2. #2
    Firebird Encyclopedia 9T8W66's Avatar
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    St. Clair Shores. Michigan

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    Gen I and Gen II parts are NOT interchangeable with Gen III parts.
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  3. #3
    Senior Member slims00ls1z28's Avatar
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    Apr 2007

    2005 GTO M6 Black
    2000 Z28 A4 Red

    You "Might" be able to swap a few bolts around. But other than that there is not a single interchangeable part in an LSx and non LSx.

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