Ram 1500 3.55?
I have been looking at Ram 1500 4 door. Looking at years 2011 to 2013, Most likely 2012. Gear ratio 3.55. Thought need the 3.92 gear, now not sure (see below). I don't ever plan towing greater than 65...
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2.21 gearing is really an oddball rear axle ratio. Even 3.21 would be rare in trucks set up for towing.
3.55 or 3.92 would tow about the same - performance wise. Just the 3.92 would turn a few more RPM at a given road speed and therefor be able to make a little more HP at that higher RPM. However even with the lower gearing, it will just downshift if you need more horsepower and will change the RPM all the way up to 4000 if needed to make plenty of power to get over a mountain or onto a freeway.
Have fun camping!
Fred.
3.55 or 3.92 would tow about the same - performance wise. Just the 3.92 would turn a few more RPM at a given road speed and therefor be able to make a little more HP at that higher RPM. However even with the lower gearing, it will just downshift if you need more horsepower and will change the RPM all the way up to 4000 if needed to make plenty of power to get over a mountain or onto a freeway.
Have fun camping!
Fred.
