10 speed F150 axle ratios
I'm considering a 10 speed F150. My '13 3.5 Ecoboost 3.55 axle 2WD Supercrew short bed is darn near perfect for my one and only cage transportation and tow vehicle. It performs very well. I have weigh...
Forum Discussion
BenK wrote:
But...the OEMs are engineering ICE's with much better torque/HP curves...so am
wondering if these very high number of gears more marketing than keeping the ICE
in it's torque/HP sweet range
I think it's a combination of marketing and engineering. Very short lower gear ratios for moving a heavy load to meet the new SAE towing standards, very tall upper gear ratios so the engine can loaf at very low rpm at highway speeds in order to obtain high EPA mileage ratings, and lots of gears in between to keep in the engine in a narrow rpm range to help manage emissions.
