Looking for few extra hp for C12 2KS27705 or suggestions what's the best route to take. It currently has cats 455 hp 1650 tq. Truck runs all over the 48 pulling 80,000 lb. Just looking for a little extra help on the hills. I know alot of guys run a 505 hp. Don't know much about custom files, about the best I can do is flash with cat files. Thanks for the help.
C12 hot ecm file
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by JTS, Feb 28, 2019.
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