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Slightly OT, but out of curiosity, did lowering your truck help the aerodynamics enough to help with mpg any?
pffttt, no. I wish it did. It's not slammed down like a lot of guys have their trucks, it's just a 2" drop up front and a 3-4ish" drop in the rear. I still tow an enclosed trailer and take this truck hunting and stuff so I do need some clearance. Not to mention pulling the boat up the boat ramps. I just didn't like the huge factory rake that the truck had. It still has a slight rake from back to front, but it's just enough to make the truck level out while towing.
Performance 91 tune 17-17.20 So called XS Mileage Tune running 89 octane 15.64 - 14.25 right now.. So I am going back to the 91 octane tune. Towing was in the 16 range. My 2 cents worth..