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What tune to use?
I will be towing a 16' box trialer from Mo to Az next week. I have a 7.3l. My truck has the fallowing mods. K&N intake, 4" turbo back and a preditor tuner. It has a 40hp tow tune 60hp econmy tune. I'm not sure what would be better. I know that my fuel milage will not be that great. Any help would be greatful.
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