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Thread: 98 TA LS1 ECM or 01 WS6 ECM?

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  1. #1
    Joe (Moderator) joecar's Avatar
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    Apr 2003
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    If you want COS5, then you need a PCM that will run OS 12212156...
    The 2001 F-car PCM (GM part # 12200411) will do that.
    Last edited by joecar; February 22nd, 2010 at 03:20 PM.

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