Over Drive
I have always wondered if I put an overdrive unit on my RV will do any good. If it gives you a 10% decrease in RMPs does it give you 10% better gas mileage? Or just 2 or 3% better MPGs. Would it be wo...
Forum Discussion
You may get a little better mileage...not worth the cost of the upgrade, I am sure..MPG depends on a lot more than just gearing....wind resistance of an RV is a big factor
