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  1. sayso

    0411 pcm swap

    Im a newbie to the forum and i need some big help..form someone.ANYONE!!!..i have a 99 k2500 with a fresh rebuild..i did a flat top piston set up...lt4 hot cam..1.6 roller rockers..and anything else i could possibly thro at it...minus and efi set up...now its down to the last issue...0411 pcm...
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