Shift! **** You Shift!
I have a 2013 Ford F150 5L V8 Long box extended cab 4x4. I was towing a 1999 Rockwood Ultralight 24' travel trailer. The thing doesn't even weigh 3000 lbs. There was this magical speed where on the...
Forum Discussion
DinTulsa wrote:
It's doing it because your engine does not have the torque required to hold that speed in 6th gear, simple as that. Your 5.0 probably develops peak tq at 4000 rpm...just a guess. When it shifts to 5th it raises your rpms closer to that 4000 range, thereby giving you more tq and HP both. My diesel develops peak tq 1600rpm if your gas engine developed peak tq earlier, like an ecoboost, you would be able to hold 6th longer.
Peak Torque: 2011 to 2014 MY - 380 lb-ft @ 4,250 rpm
http://www.f150hub.com/specs/ford-5.0.html
At highway speeds I would need to be in 4th to get the rpm that high.
