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Yeah, you wouldn't want to live with the 140-horse tune. Plus it won't produce 140 additional horses unless you have supporting mods such as intake, exhaust, turbo, intercooler, etc. Without the supporting mods, it will produce lots of black smoke, but nowhere near 140 additional horses.
For a basically stock engine with gauges, intake and exhaust mods, stick with 80-tow or 80-economy if you want to minimize cost by having the PCM flashed instead of installing a programmer or chip.
I have 60-tow, 80-economy and 100 performance. Mine stays in 60-tow almost all the time, loaded or unloaded. It does just fine in 60-tow even when not towing. My two bigger trailers weight 7,000 and 8,000 pounds, so 60 tow is perfect for my towing and also does a good job when not towing or when towing my smaller trailers that gross 5,000 or 3,000 pounds.
But if I could have only one tune and never towed more than about 6000 pounds, I'd probably want the 80-tow tune.
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My Sierra Blanca in the sig pic was a great pickup for 11.5 years. I sold it last year. Replacement is a 2012 F-150 EcoBoost SuperCrew Lariat.
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