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sicminds
GenIII
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10/16/2005
13:14:03

Subject: Front diff gears???
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How can i tell what my gear ratio is in my front diff? My rear is 3.92. Also I am looking to upgrade to 4.10 lockers or even 4.56.

I got a 99, any one else upgrade there diff?


Kowalski
GenIII
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10/16/2005
16:03:56

RE: Front diff gears???
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It should be the same as the rear ratio.

Lead, follow, or get out of the way

Caulk04
GenIII
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10/16/2005
17:54:22

RE: Front diff gears???
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Yeah...I would hope its the same or you got some problems. :)

What I was wondering is...what IS the front diff. I know Dak's either have an 8.25 or 9.25 rear (I have the 9.25) but what is the front diff (in Gen3's anyway)?

'02 4.7 HO, ArmorThane spray-in...FUN and MINE!
http://www.cardomain.com/ride/2147050/1

Kowalski
GenIII
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10/17/2005
17:35:59

RE: Front diff gears???
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Commonly called 8" corporate; also sometimes referred to in metric terms.

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sicminds
GenIII
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10/17/2005
22:12:34

RE: Front diff gears???
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so what do you guys think 4.10's or 4.56's I have 3.92's now


Walt_Felix
Dodge Dakota
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10/18/2005
10:08:56

RE: Front diff gears???
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A 99 would have an IFS variation of the Dana 35. The C205mm or 8" didn't come until 2001.

87-96 = Chrysler 7 1/4"
97-00 = Dana 35
01+ = C205mm (sometimes called 8") also used in the 03+ Ram 1500 4x4

__________________

Walt Felix
http://www.Walt-n-Ingrid.Com
http://dodgetruckworld.com/waltfelix





Kowalski
GenIII
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10/18/2005
18:10:51

RE: Front diff gears???
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Thanks for setting the record straight Walt, didn't realize '99 was the cut off year.

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Gunner
Dodge Dakota
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10/18/2005
21:03:55

RE: Front diff gears???
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So a 2000 4x4 would have a Dana 35 in front? I was told it had an 8" Corporate.



Super bee
GenI
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10/19/2005
01:32:59

RE: Front diff gears???
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is there lockers available for the 7 1/4



Kowalski
GenIII
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10/19/2005
08:10:44

RE: Front diff gears???
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Gunner - I didn't read the second part of Walt's post listing '00 as that too since he usually seems to know what he posts pretty well. The gears that went into my '00 4x4 were labeled 8"; definitely NOT labeled Dana 35. I've seen them called 8" more often than 205mm, but thats probably the official name. Most gear sites I checked out, you put in the info for your truck, then they list the available gears for that year.

Lead, follow, or get out of the way

Kowalski
GenIII
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10/19/2005
09:02:15

RE: Front diff gears???
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I double checked - you will also find '00 listed as Chrysler 8" IFS, just another way of saying corporate 8". This is for all motors in '00, Walt gave the right info for '99; that's the cut off year.

Lead, follow, or get out of the way

Walt_Felix
Dodge Dakota
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10/19/2005
10:36:17

RE: Front diff gears???
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Message:
Yep, my bad.

They switched over to the C205mm in 2000 when they switched to Rack & Pinion. Must of had an old timers moment there because I knew that. Don't know why I was thinking 2001.

No lockers or limited slip available for the 7 1/4" Open diff only. I don't know if I would put a locker in there, the 7 1/4" isn't exactly known for it's strength. It's the smallest of the 3 diffs used in the Dakota. I believe a Dana 35 has a 194mm ring gear and I've seen several of those spit the pinion out of the back of the housing while off-roading. There used to be a chepo, off-brand, aftermarket limited slip for the 7 1/4", I bought one back in the mid 90's, but it ate the clutches shortly after installing it and I've never been able to find a replacement for it. Don't recall the name and the shop I got it from has no info about it in any of the catalogs now. I ended up swapping back in the stop open carrier.

__________________

Walt Felix
http://www.Walt-n-Ingrid.Com
http://dodgetruckworld.com/waltfelix





Gunner
Dodge Dakota
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10/19/2005
15:24:02

RE: Front diff gears???
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Message:
Thanks guys-
Do they make a locker for the 8" Corporate? I can't find one.



tobys
Dodge Dakota
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10/19/2005
17:04:12

RE: Front diff gears???
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i have a set of 4.10 rear only i would concider maybe tradeing or selling let me know if intersted.



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