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derkscustomcars
April 29th, 2020, 02:15 AM
I am doing a harness and engine swap for a customer, we will be using a LGH - 6L90 from a 2011 van. Can i use any OS that matches the ECM or does it need to be from a van? van os as per TIS is 12646249, I have a few truck OS's that are the same. I assume that the engine would be at truck power levels.

Or do i need to buy a file for the vin?

Thanks

S Phinney
May 1st, 2020, 11:28 AM
If you use the truck vin for the ecm tune then it would be at a higher power level than using a van os. Ecm and tcm are separate so you shouldn