Hey bud I tow my 9-10k horse trailer in the 80dd tune all the time with no problems at all. I bet it did seem sluggish if you where worried about 1000*egt but your temps would have probably been better if you would go on with it, as in getting the rpms up. You got plenty of get up & go if you just ask for it. The egt will get higher if you lug the engine.
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2000 F-250 SCLB 2wd 7.3 auto PHP stock-65t-80dd-120race-high idle-no start 4"tb exh, wicked wheel, 3 guages, AIS, coolant filt,
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