2009 f350 auto

Putting a 12 valve in a 09 f350 with automatic. From what I've read you can still use the tow haul as this year uses a separate computer. Do you have to have a aftermarket tuner if this is the case.

Regardless your going to use hp tuners to shut off all the idiot lights on the dash, you also use hp tuners to tune the 5r110 using the factory tcm. Seems to be the best route guys are using now,im just finishing up my swap on an 08 with a ppump 24v. It's crazy what the capabilites of hp tuners is

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