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AlexG
Dodge Dakota
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3/17/2009
01:24:39
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 Subject: Forget Which Way Is Up
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Message:
Which is considered the Higher Gear Ratio 3.55 or 3.92
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N56629
GenIII
3/17/2009
08:33:41
|  RE: Forget Which Way Is Up
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Message:
3.55 is the higher gear.
Numerically higher is lower.
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Joe,C
Dodge Dakota
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3/17/2009
14:15:17
| RE: Forget Which Way Is Up
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3.55 would be taller or higher. Its the ratio of the size of the gear.
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N56629
GenIII
3/17/2009
16:11:28
| RE: Forget Which Way Is Up
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"ratio of the size of the gear."???????????? LOL
It's the ratio of the pinion gear to the ring gear. You count the teeth.
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AlexG
Dodge Dakota
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3/17/2009
16:30:49
|  RE: Forget Which Way Is Up
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Message:
Thanks for the info.
I was expecting some bashers to this question. LOL
Did some looking around and found out I got 3.55 gears. Now if I'm right, that means for every 3.55 revolutions of the crank shaft, the axle rotates 1 rev?
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daddio
Dodge Dakota
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3/17/2009
17:17:10
| RE: Forget Which Way Is Up
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"Now if I'm right, that means for every 3.55 revolutions of the crank shaft, the axle rotates 1 rev?"
NO, not the crankshaft. The driveshaft.
Ex: driveshaft rotates 3.55 turns to get 1 complete axle rotation.
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N56629
GenIII
3/17/2009
17:53:29
| RE: Forget Which Way Is Up
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Alex, usually you find out what you have by looking at the placard in your glove box.
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AlexG
Dodge Dakota
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3/17/2009
18:27:37
| RE: Forget Which Way Is Up
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Message:
Thanks for the help.
N56629, I bought the truck used and it didn't have that info in there. Basically got to crawl around and find out what I have.
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N56629
GenIII
3/17/2009
21:56:35
| RE: Forget Which Way Is Up
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Message:
You probably already know this.
Block the front wheels and jackup the rear wheels. Best to use jack stands. Put in neutral, rotate wheel and count the number of turns the driveshaft makes. It's real easy to see the difference between 3,55 and 3.92.
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