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  1. 03-23-2023 #11
    Fast355
    Fast355 is offline
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    I made the first 58x swap move last night. Snagged a discontinued from GM, 2016 Express engine harness new in the box on Ebay for $350. Going to slowly acquire the parts to 58x and 6L90E swap the van as time allows. For simplicity and not having to deal with demanded torque it will probably be running on a 2009 TBSS E67 rather than the E78 GM put in the later 6.0L/6L90E vans.

    I have a couple other setups I am looking to keep 4x on, but wanting a 6L90E trans the move to 58x only makes sense on the van.
    Last edited by Fast355; 03-23-2023 at 02:38 AM.
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