Join Date: Nov 2005
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The 3 tunes I have for my SCT are a street, economy and tow. I too tow a 5er that weighs in over 12k when loaded. The tranny shifts are firm without being jarring and the power is good considering the weight of the trailer and the fact that my truck is lifted with 35's. With the SCT I can adjust the shifts and recalibrate for tire size among many other things.
I normally run around with the street tune in. It has great everyday manners and plenty of power when you need to pass. If i'm going to tow, like this weekend, it only takes about 5mins to reprogram to my tow tune. Which also has a turbo braking option that helps slow all that weight down on those grades.
CSIPSD is right, there's a reason everyone talks so highly of the SCT. If the tunes aren't exactly what you want when you get them, your dealer can tweek them til they're perfect.
'04 F250 FX4, CC, SB, Zoodad, Innovative SCT XCal2, 4" MBRP, Airaid intake, 4" Superlift front with 5.5" Fabtech springs in back with stock 2" block delete, 18" predators with 35" Nitto's, Isspro gauges overhead. '00 27' Rinker Captiva Millinium, 454MPI Captains Call exhaust. '06 '33 Tahoe Transport. '03 Polaris Predator 500, K&N, WB pipe, '08 Polaris Outlaw 525 S.