F150 automatic tranny gear selection
2006 F150, 5.4L Automatic trans. Towing a trailer weighing around 4200 lbs. Very often this truck can pull an incline in third gear but insists on downshifting to second sending the rpms from 2400 t...
Forum Discussion
Small block OHC V8 including the 5.4 make their power in the 4000 rpm range. At 2400rpm the engine is falling out of it's power band and the torque converter is probably unlocking, neither which you want. These engines are the opposite of old school big blocks. They make power and torque at higher rpm, and can run there all day. They may sound like they are ready to fly apart but they are not. If you put your foot in it, the 5.4 will get the job done.
