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  1. Drivetrain & Performance
    I picked up what I thought was a 2007 5.3 (fly wheel even had 5.3 on it) for $450. It came with ecu and wiring. Unfortunately in all my excitement I didn't check the engine stamp... So I have a low mileage vvt engine and don't know which direction to go.... Swap is for a '73 (cloning into 70) I...