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Thread: Crate engine to stock ecm?

  1. #1
    Potential Tuner
    Join Date
    Jul 2019
    Location
    Morgan city, LA
    Posts
    7

    Crate engine to stock ecm?

    I have a 2009 GMC Yukon xl Denali AWD with a 6.2l l9h.Question is. Will a LS3 crate engine rated for 530hp plug into and run on stock ecm with a tune?

  2. #2
    Tuner
    Join Date
    Dec 2018
    Location
    Washington State
    Posts
    182
    I will need to be tuned, the stock ecm can be tuned to run the new setup.