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Tyler
Dodge Dakota
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1/26/2007
11:52:26

Subject: rear end
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i have a 2000 dakota 3.9 with a five speed and want to get better gas mileage...would swapping out a rear end out of an automatic make a difference? i heard they had a different ratio geared more towards economy.

thanks



911mike
Dodge Dakota
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1/26/2007
13:50:02

RE: rear end
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5-speeds and auto's can have the same
ratio rear end from the factory

check the metal tag if still on the cover, or have a look inside and count the 'teeth' on the gears to calculate the ratio yourself.



daddio
Dodge Dakota
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1/26/2007
14:01:08

RE: rear end
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you probably have the 3.55: 1 ratio rear gears. the only other ratio (lower numerically) is 3.21:1 and it may not necessarily help your mpg because the engine would have to worker harder than it would with the 3.55's.

here are a few things to help with your mileage.

1) keep the truck in good tune- plugs, wires, cap, O2 sensor, etc....

2) proper tire inflation and front end alignment.

3) switch to synthetic fluids - engine oil, trans & diff fluid.

4) most important - watch your driving habits

good luck, these dak's are heavy and are notorious for not getting great mileage.



cj
Dodge Dakota
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1/29/2007
18:37:02

RE: rear end
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I love how people spend hundreds and sometimes thousands of
dollars to save a cent or two per gallon on gas.



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