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
cncsparky wrote:Ya, provided every single mile was driven in OD.
On a 100 gallon trip, would save about $50 @ $3.50/gallon. Is my math close?
