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Old 12-13-2011, 12:33 PM
jasonwilburn98 jasonwilburn98 is offline
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Default would swapping a ring and pinion help my gass mileage and streetability?

i just bought a 2002 dodge ram 1500 sport. it has the 5.9 litre engine. i love the power and everything but if i mash it quick enough on blacktop, the rear tires just break loose. also my gas mileage is around 12 MPG. would swapping out my rear ring and pinion to a higher set of gears help me out?
also, if i swap out the front is it gonna screw up the 4 wheel drive? would i also need to swap out the front?
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Old 12-14-2011, 08:43 AM
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I guess in theory you would get lower rpms with higher gears which should give you better mpgs but you might end up getting out of the motors "sweet spot" and that would cause the transmission to overwork itself. You would have to check with someone who knows more about gears than me to get the right ratio.

Unless you know how to do it yourself, changing your ring and pinion is costly. There are much more cost effective ways to boost mpgs.

And to answer your last question yes. If you change the rear you ABSOLUTELY need to change the front unless you never put it in 4wd again. They have to match.
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Old 12-14-2011, 10:30 AM
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