Ford F-150 Ecoboost 3:55 vs. 3:73
Looking for a used (2012-2014) Ford F-150 ecoboost to pull my 27 ft Jayco 27BH, and am only finding ones with the 3:31 or 3:55 rear end. Would love to find one with a max payload package (3:73 rear e...
Forum Discussion
I have a 4 speed auto and the difference in rpm between 3.55 and 3.73 , is 124rpm in 3rd and 85 rpm in OD ay 60 mph
