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Message: [QUOTE="TrickTruck, post: 1557284, member: 6044"] Did you ever resolve this?? This is how we roll. w/ the Maverick in the back and a full load of water and all our crap, we gross at 25klbs on the CAT scales. Truck details in my sig, but it's been on the diet plan and runs Chaos SOTF tunes. Towed this piglet from SC up to IN, and then on to NY (Erie/Buffalo area), then back home last summer and it was hot as blazes most of the way. Roughly 2500mi. Truck pulled like a champ. I did find that putting it in manual 5th was the best combo of power and mpg (10-10.5mpg avg) on almost all terrain. Even locking out a gear in auto didn't do it for me. It would start to load up, then just as it was really getting work done it'd drop to 4th, revs would go up and the EGT's would climb. I found that locking it in 5th and letting her eat gave the best results. I'd say it's biggest challenge was some of the steeper and longer passes where it really needed to be dropped into 4th and spinning some higher RPM, then EGT's would get hotter than I liked and even switching to a lower tune level on the SOTF didn't bring them down enough. When EGTs did climb, just slow down a bit from a normal of 70-75mph to something in the low 60s and it was fine. It's definitely not something that's doesn't need monitoring tho. It's a driver's rig, not to be ignored. The bumper pull / sway keeps me on my toes anyway - but that's another subject. Water Temp gauge never moved, trans stayed right at 200° and oil would get no higher than 235-240°. I know, passes in these areas are nothing like out West, but still, easy 100°F days and we never slowed down as long as the EGT's held out. All this is to say that IMHO something is abnormal in your situation. Your truck should not be overheating. [ATTACH type="full"]116215[/ATTACH] [/QUOTE]