Quote:
Originally Posted by bandit86
why dont you guys buy taller tires? go form a 25 inch tire to a 27 inch tire, should fit, instant 8% gear reduction. I know they're heavier but might work better. my old chevy tracker loved 70-80km on sideroads with 33s. those were 25% bigger then stock, I barely touched the gaspedal. Also had a snorkle
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Running taller tires can help. Dodge does that with any truck that comes out with factory 20" wheels. The rear gears are 3.92, but the 33" tall tires change that to 3.55 gears. It does make accelerating harder though.
Quote:
Originally Posted by comptiger5000
I wish my Jeep was geared that tall. I turn 2k RPM at 67 mph, so about 1500 at 50. It could do less, as it'll pull well at 1100 - 1200 in OD with the TC locked.
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My RAM turns about 2k at 70mph, but I noticed it would drop a couple rpms if I bumped up the transmission fluid pressure. Do you have a 545RFE trans? Try a Transgo shift kit, or at least the resistor mod.
I have installed some aero panels on my truck and tested it today with the massive (25mph) head/tail winds we had in OKC today, and my two way average was 23.7 mpg. Not too bad for a 5250 pound truck. 65mph ave speed, no a/c. 80*, running 89 octane fuel.