Rear Axle Gear
Am looking for opinion/advice on choosing an adequate rear axle gear ratio. Will be pulling a Cruiser RV Fun Finder 214 (approaximately 5000 lbs. loaded) with a Ford F-150 Ecoboost (yet to be purchas...
Forum Discussion
facory wrote:
Rear axle ratio is very important.
With older 3-4 speed, yes. Not with today's 6-spd transmissions. Today's 6-spd with 3.08 is the prior generation 4-spd with 4.10 axle. Actually, it's still better offering more narrow gear spacing. Look at Column E for the wheel torque multiplier.
Here's the F-150:
3.73 is "better" for pulling, but the reason to get it in the F-150 is because it is packaged with both of the two packaged that increase payload/GVWR which is the most common overloaded rating for RVers.
