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ryan
Dodge Dakota
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4/19/2008
13:12:01
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 Subject: help with gears
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Message:
I have a 2000 dakota 4.7l v8 2wd and i want to replace the gears because i put a 3inch body lift and have 31 inch tires on it. i have 3.55 and im not sure if 3.9 or 4.1 would be right for me. i do alot of highway driving and a little offroad. im mainly replacing them for my power and gas mileage to go back up. any help is appreciated
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greendak01
Dodge Dakota
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4/19/2008
13:41:54
| RE: help with gears
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Message:
i would go with 3.92 gears . i have the 4.7 with 32 inch tires and 4X4 and i have the 3.92 and it still has the power and gas milage. the 4.1 would be to low for your highway driving.
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ryan
Dodge Dakota
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4/19/2008
14:12:16
| RE: help with gears
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Message:
thank you
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ryan
Dodge Dakota
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4/19/2008
16:32:52
| RE: help with gears
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Message:
3.90 RATIO RING & PINION GEARSET - CHRY 9.25 inch Is that the correct replacement gears for it or am i off. any help please
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Kowalski
GenIII
4/20/2008
08:16:09
| RE: help with gears
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Message:
3.92 is a good choice if you're swapping in another whole rear, as that was offered factory. I wouldn't hesitate to go to 4.10 if you are going with aftermarket gears on a 4.7 though; and would like more performance. I went from 3.55 to 4.10 and saw a small mpg gain for the rev happy 4.7. You need to identify your rear end - while most v8s came with the 9.25, some came with an 8.25 rear. The 9.25 has a 12 bolt octagonal cover.
Lead, follow, or get out of the way
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daddio
Dodge Dakota
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5/22/2008
04:40:47
| RE: help with gears
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Message:
4.56 is the way to go.
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olsarge
Dodge Dakota
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5/22/2008
12:01:13
| RE: help with gears
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Message:
I went from 3.55 to 3.92 (w/31" tires) and while better it just wasn't enough to justify the cost. I went with 4.56 and am very happy. I don't get the much freeway time but when I do I've upgraded the TCM to the 5 speed. Go no less than 4.10.
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TexasTodd
Dodge Dakota
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5/24/2008
14:24:24
|  RE: help with gears
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Message:
I am thinking of going to 5.88
Todd Bouton
3211 Southdown Dr
Pearland, TX 77584
(713) 436-3177
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