My main concern is NOT ruining my motor. I don't know what these programmers do to an engine, other then make real HP. I want better fuel mileage and a little more power when pulling my boat. I am not interested in how much smoke I can make or if I can beat another vehicle in a race. Everybody on these sites talks about how much better their truck runs with the custom tunes, which is great, but are they beatin the crap out of the truck and then gettin rid of it for some poor fool to deal with??? I need my truck to last for quite a few more years. I've got about 117,000 on it now and it does run well. If I could get that extra power and fuel mileage, without tearin up the engine, I'd be happy.
Right now I'm getting 16-17 empty and 11-14 towing my boat. It is a dually 4x4 SC with a manual trans.
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