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  1. #1
    Join Date
    Apr 2017

    Default 602 crate rebuild

    ok so i finally sent my poor old tired 602 crate in to get rebuilt (imca). the engine is pre2007, never rebuilt never opened up. ok so im being told a story that the builder cant find piston rings that gm redesigned the pistons and rings. any truth to this?

  2. #2
    Join Date
    Oct 2017


    I know their has been several revisions but from what I've seen is generally not very cost effective to rebuild those. Better off selling it as is and buying a new one

  3. #3
    Join Date
    Oct 2009


    I heard last week the latest version 602's have more power due to something different with the heads? I'm hearing 15 to 20 more HP???


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