6.4 Hemi w/3.73
I'd like to hear from the guys towing with the new Rams with the 6.4/3.73 combo. Most of the real reviews online are with the 4.10. I'm finding that next to impossible to find, but some good deals o...
Forum Discussion
My concern with lower ratios would be the initial pull from a stop when at full loaded weight on a steep grade. Once you get rolling, it is less of a concern. Those guys that have steep driveways or favorite camping spot with some grade are the ones that will suffer at slow speed without the 4.10's.
Although I could have dropped cruising RPM by choosing the 4.10's in my CTD powered 5500, I chose the 4.44's to get me that extra torque multiplication without having to drop into 4wd low range. On the other hand, I did not choose the 4.88's since I do long highway miles that would not be pleasant even at my typical 60-65 mph with that ratio.
Although I could have dropped cruising RPM by choosing the 4.10's in my CTD powered 5500, I chose the 4.44's to get me that extra torque multiplication without having to drop into 4wd low range. On the other hand, I did not choose the 4.88's since I do long highway miles that would not be pleasant even at my typical 60-65 mph with that ratio.
