Quote:
Originally Posted by JESSE 1
I don't think you could hit 70mph in 3rd gear with the TorqueShift. The engine would redline before then. You could run 70 in 4th. Tow/haul locks the torque converter sooner and changes the shift points to a higher rpm. I think I'd put it in tow/haul, set the cruise for about 60-65 mph and let the computer handle what gear to use.
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I thought the same thing, however when you set the cruise at 70-73 and then dropped the shifter into 3rd it only dropped one gear and sat right at 3000 rpms. Once the cruise was turned off and you slowed down it would downshift into third once your mph dropped below 65, then you had to put it back into overdrive, gain speed let it shift into overdrive before you could drop it into thrid again. Did that make any sense? It was like the computer would not let it go to third above 65 mph. At 3000 rpms the boost sat right at 20-22 psi.
I know I could have slowed down to 60 and just ran it in third but we were in a hurry. Lots of times in the my 2003 E450 motorhome towing the racecar trailer I would run at 50 in third gear when in a strong head wind.
Smokey, the tow haul button works great under normal conditions, I do wish that just for the day I had the six speed. However the times I wished I had it compared with 98% of the time I'm glad I don't.
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  06 F350 lariat ,6.0 Auto, 4x4, CC, SB, Black, Moonroof, Pwr rear slider, Brake controller, 3.73LS, ESOF, Sec. group, Htd pwr TT's 
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If I wanted betterr MPG I'd buy one of those tiny tire, low to the ground light duty bowties. 
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