So I have a 05 Colorado swapping a 5.3 vortec with a turbo for added fun. Ecu and harness are all set for the standard go to 06 Trail blazer SS. I m just wanting to make sure I have the process outlined correctly. I plan on flashing with TIS the Blank ECU for the base 06 Trailblazer SS.. Tossing Vats and all that good stuff out the door. Updating VIN to Match the Colorado at the same time as swapping OS for a 2 bar map system.. Am I on the right path? Or is there a cleaner way?