4.11 gears and Gas mileage
Im thinking about putting new gears in the rear axle on my ranger sometime in the somewhat near future to get rid of some of the play in the drivetrain (if not most of it), and was wondering what 4.11's would do to my gas mileage. I currently have 3.73 rear end, and 26" tall tires. According to some internet calculators, going from 3.73 to 4.11 will raise my rpms about 300 in 5th. I'd like to make my 4 cyl quicker, but I really dont want my gas mileage to drop much. Right now, im averaging about 22mpg, of course thats with a lead foot, and none of it is interstate. One time I actually got around 26 and that was about 50/50 city/highway......but no interstate. Practically all my driving is on the highway with a 55mph speed limit. I guess I could drive around without using 5th gear for a tank to see what happens......So what do you think?
2004 Ford Ranger
3.0 5spd. 4.10 gears 6" lift w/ 35's