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Justin
Dodge Dakota
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6/11/2013
20:35:15
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 Subject: RE: 3.9L Performance Mods
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I have '98 Dakota with 3.9 and a 5 speed. Im running down the highway at 55 mph at about 1800-1900 rpms. I have the 3.21:1 rear end. I have an air raid intake. I'e been considering a set of cheapo ebay header since i have a crack in the driver side stock manifold. I was wondering if an aftermarket company had put out a taller rear end gearing kit. If there isnt one, what is an inexpensive way to get better fuel economy.
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daddio
Dodge Dakota
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6/12/2013
13:12:04
| RE: 3.9L Performance Mods
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There are gear vendors all over the web. That probably won't help your mileage though. What kind of mileage are you getting?
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3.9s are dogs
Dodge Dakota
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6/15/2013
10:02:47
| RE: 3.9L Performance Mods
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My 95 Dakota with 4x4 club cab and 3.9 auto and 3.42 rear end is so powerless it wont hold overdrive in a headwind or any kind of grade. Most of the time I just lock it out because of the constant shifting in and out. Putting higher gears in your truck wont help gas mileage. The biggest mistake I made was installing 9.50 xx 16 tires.
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