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SuperBeeDak
Dodge Dakota
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2/16/2002
19:01:25
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 Subject: Stupid Question
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OK is there any way to tell whether a gen2 has 3.55 or 3.90 rearend from the exterior? I have always checked by pulling the cover but if there was a faster way it would be helpful. I ask because I'm helping a friend look for a dakota and he wants the 3.90..thanks
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Bruce P
Dodge Dakota
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2/16/2002
21:49:31
| RE: Stupid Question
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My Dak has a metal 'tag' under one of the differential coverbolts. The factory-installed ratio is embossed on that tag.
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D
Dodge Dakota
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2/16/2002
22:50:39
| RE: Stupid Question
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the genIII's have a tag on the drivers side of
the rear end. dont know about the gen II's
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UWGriz
Dodge Dakota
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2/17/2002
18:37:13
| RE: Stupid Question
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Block the front wheels, put the truck in neutral, jack up the rear end, and start turning the wheels. By counting the number of revs of the drive shaft and dividing by the corresponding number of revs of the tire, you get your gear ratio. I would find a friend (preferably one who count past ten without taking off shoes), mark the drive shaft, turn the rear tire through 10 complete revs and have your friend/trained monkey count the revs of the drive shaft. Between 35 and 36 - 3.55, between 39 and 40 - 3.92, etc. You can go through fewer turns, but for example, by going through 5 revs on the tire, the difference between these two ratios is only two revs of the drive shaft - easy to miss if not paying attention, so I would leave it to a judgement call based on the intelligence of your friend.
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SuperBeeDak
Dodge Dakota
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2/17/2002
20:26:19
| RE: Stupid Question
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Thanks..
I was aware of the method that involved turning the rear tires but we were looking for a way to do this easily on vehicles that are for example, in a dealer lot. And they might frown upon us doing somehting like that out of curiosity.
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Lesley
GenIII
2/17/2002
22:31:33
| RE: Stupid Question
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Message:
It should say in the glove box.
97 3.9 CC Sport. Black. Auto 3.55
Quick D Intake, JBA Stainless headers, Autolite 3923s, stainless Borla Turbo XL, V8 R/T TB,
19 lb.FMS fuel injectors. Coming 17" Boyd Coddington Smoothies
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Texas97
GenIII
2/18/2002
01:39:24
| RE: Stupid Question
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I second in the glove box... might also look on the sticker on the under side of the hood. That should tell you too.
Drive it like you stole it!
97 Dakota CC 3.9L 5 speed
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xplikt
Dodge Dakota
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2/18/2002
01:43:00
| RE: Stupid Question
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I thought all rear ends were "supposed" to have that metal tag on the rear end?
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Lesley
GenIII
2/18/2002
05:58:42
| RE: Stupid Question
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Mine doesn't.
97 3.9 CC Sport. Black. Auto 3.55
Quick D Intake, JBA Stainless headers, Autolite 3923s, stainless Borla Turbo XL, V8 R/T TB,
19 lb.FMS fuel injectors. Coming 17" Boyd Coddington Smoothies
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Hello
Dodge Dakota
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2/18/2002
09:35:22
| RE: Stupid Question
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Message:
Block the wheels, hello?
As said, just look in the glove box at the specs sticker!
I guess you didn't order your truck with what YOU wanted?
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