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y2kgibbly
Dodge Dakota
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3/15/2002
11:03:43
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 Subject: Swapping Rear End Out
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?
Hey Guys,
I was thinking about my rear end today and decided that I don't like it :) I've got a '01 CC 4.7 auto with open wheel in the back. I was wondering what the possibilities of getting a used 3.92 rear axle (or something) off another Dak or justed used somewhere.
What are y'alls opinions?
I'll be looking in the houston area.
Thanks
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Anthony G
Dodge Dakota
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3/15/2002
11:50:57
|  RE: Swapping Rear End Out
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It would be much easier and more cost effect just to swap out gears than changing axles.
Now if you upgrading from 3.55 you might need some kind of computer flash for the 3.92's to get a correct speedo reading. Unless it gets this speed from the tranny or rear axle. I not sure about that part.
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y2kgibbly
Dodge Dakota
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3/15/2002
12:46:24
| RE: Swapping Rear End Out
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I dont think I have 3.55 gears, just open wheel(only right rear tire spins). I have some performance mods, and having one wheel burnouts makes me want to cry.
I really need help!
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Jesse T.
Dodge Dakota
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3/15/2002
14:10:48
| RE: Swapping Rear End Out
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You looking at $1,000 for the whole thing at a junk yard no garentees, I had a friend that hooked me up with the whole thing 3.92 posi about 2 years ago and I put it on, I love it, I didnt do the flash thing on the computer, Oh well. But the thing to do is what anthony said. Un less you get a hook up somewhere.
Jesse T.
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y2kgibbly
Dodge Dakota
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3/15/2002
16:31:41
| RE: Swapping Rear End Out
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hey Jesse T,
Thanks for the advice, I got plenty of hookups, so i'll see what I can do.
If anyone else has suggestions, I'd love to hear them.
Thanks
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CASDAK
Dodge Dakota
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3/15/2002
16:41:51
| RE: Swapping Rear End Out
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I may have the answer for you. I recently swapped my 8-1/4 3:90 sure grip for a 8-3/4 in my '92 Dakota. If someone out there knows the widths of the '01 verses the width of the '92 (and it will work), I'll sell you mine. I'll take $600 dollars for it, but the rearend is a Masterson's Auto Parts and Salvage. If your interested give David Masterson a call (1-800-405-0369) or go on his web-site www.mastersonautoparts.com and tell him you're interested in the Dakota rearend that Chet took out of his Dakota. He'll know what your talking about.
Actually, the rearend is out of a '96, and it had roughly 4,000 miles on it when I bought it. Then I only put 2,500 miles on it when I had it in my truck. If it will work and you want it give 'em a call. He'll ship it anywhere for you.
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CASDAK
Dodge Dakota
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3/15/2002
16:47:56
| RE: Swapping Rear End Out
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Oops! I made a mistake on the phone # its 1-800-405-0963. If you or anyone is interested.
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GstRdr1
Dodge Dakota
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3/15/2002
16:51:12
| RE: Swapping Rear End Out
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I believe that the 4.7l Daks have the 9.25 Rearend like the R/T's. I've actually looked into swapping my 3.55 for 3.92's or 4.10's. The gears themselves aren't all that expensive. But I'm not too comfortable swapping them myself.
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Klc
Dodge Dakota
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3/15/2002
16:57:25
| RE: Swapping Rear End Out
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y2kgibbly, go to Houston Drivetrain for the purchase and installation. Dakaty and myself had 4.10 gears put in our trucks their with satisfactory work and cheap (about $350)for the gears and installation.
Houston Drivetran
North Loop East
Houston,Tx 77038
713-675-6375
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y2kgibbly
Dodge Dakota
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3/15/2002
17:06:03
| RE: Swapping Rear End Out
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Hey Klc,
I just called Houston Drivetrain, and someone there said about $800-1000 installed. With the posi unit being the most expensive. What do you think?
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Klc
Dodge Dakota
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3/15/2002
17:12:43
| RE: Swapping Rear End Out
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sorry about that, I didn't realize that you didn't have the LSD already. I already had it in mine.
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Dakaty
GenIII
3/15/2002
20:26:29
| RE: Swapping Rear End Out
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y2k...
Check this post:
http://www.moparchat.com/forums/showthread.php?s=&threadid=48605
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ZenDak
Dodge Dakota
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3/15/2002
21:47:49
| RE: Swapping Rear End Out
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y2kgibbly- If you have a '01 4.7,,,you either have 3.55's OR 3.92's in the back. Most likely you have 3.55's/open. Same as me....sux...you have to be sure whoever you're trying to impress is on the passenger side of the truck!
I'm not the expert,,but you can step up to 3.92's pretty cheap (something like$350 what you said earlier),,however THAT doesn't make it LSD. There is another mechanism/part that affords you the limited slip/posi. That's where it's gets mo' expensive.
I was also wondering about yanking the axel off a wrecked (front end damage) truck w/LSD,,,I wasn't sure what the cost would be on it though.
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dakotart92
Dodge Dakota
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3/16/2002
18:19:14
| RE: Swapping Rear End Out
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CASDAK, What year rear end did you use in your 92 and how much did it cost?
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dakotart92
Dodge Dakota
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3/16/2002
18:19:24
| RE: Swapping Rear End Out
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CASDAK, What year rear end did you use in your 92 and how much did it cost?
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y2kgibbly
Dodge Dakota
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3/16/2002
19:44:57
| RE: Swapping Rear End Out
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Hi Zen Dak,
What you're saying about getting one off a wrecked dak is my second choice. I'll probably order a Mopar LSD and get it all put together.
I'd love to hear if anyone has any other ideas or tips on what I need to get.
Thanks.
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CASDAK
Dodge Dakota
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3/18/2002
18:06:39
| RE: Swapping Rear End Out
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Dakotart92,
I used a '70 8-3/4 Chrysler rear-end that I had narrowed and installed it with a Chassis Engineering 4-link kit. All together I spent $700 to $800 for the housing, the Pos-unit (Auburn Pro), Richmond Gears, and the narrowing/resplining the axles.
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Chris
Dodge Dakota
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3/18/2002
23:56:41
| RE: Swapping Rear End Out
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Now I'm confused! I have a 2001 with 3.55 and LSD. Is that a 8 1/4 or a 9 1/4? I'm thinking about putting 4.10's on it, do they make it for whatever rearend (and front end in my case) the 2001s have?
Thanks...
2001 QC 4x4 SLT+
4.7 auto LSD 3.55
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nvdak
Dodge Dakota
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3/19/2002
00:52:00
| RE: Swapping Rear End Out
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sounds like you need a locker. 3.55 or 3.92 two are better then one
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dakotart92
Dodge Dakota
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3/19/2002
16:03:04
| RE: Swapping Rear End Out
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Message:
CASDAK,
All of that was just 800 bucks? Where are you
from? Also where did you get the housing, posi;
etc. from. Did you have to shorten your
driveshaft? How difficult was this swap. I need
to do this, I have a 360 that is going to break my
8-1/4 on slicks.
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dakotart92
Dodge Dakota
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3/19/2002
16:03:29
| RE: Swapping Rear End Out
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Message:
CASDAK,
All of that was just 800 bucks? Where are you
from? Also where did you get the housing, posi;
etc. from. Did you have to shorten your
driveshaft? How difficult was this swap. I need
to do this, I have a 360 that is going to break my
8-1/4 on slicks.
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Anthony G
Dodge Dakota
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3/19/2002
17:09:41
| RE: Swapping Rear End Out
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I don't have much experience with LSD 3.92 on my R/T. Even my Dana 60 on my old Powerwagon? Which is better lower or Higher 40/60?
I do know that I had a borg Warner Aussy style 3.27 in my GTA that broke. I upgraded to 3.73 and it cost me $700.00, but it was worth every penny :) Already had the LSD. I had a junk yard Camaro open rear end for the time being and that was a nightmare! How could anyone even think of accelerating without breaking the tires loose! Maybe good for a 4 banger.
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Anthony G
Dodge Dakota
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3/19/2002
17:12:14
| RE: Swapping Rear End Out
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Since we are on the Subject of rear ends, my 15k rear end oil change it due. Can I just unbolt some bolts to let out the gear oil and replace it with new oil? What type of oil does it use? Will my gasket leak after that?
2001 R/T 3.92LSD
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CASDAK
Dodge Dakota
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3/19/2002
17:21:40
| RE: Swapping Rear End Out
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dakotart92:
It may have been a little more, but not much more that $800.
Now bear in mind I got the housing for about $70 bucks from a junkyard. Then I got it cut and resplined for around $300. I got the "guts" of the rearend from Jeg's. All of the installation and set-up of the posi-unit/gears was done by me and my buddy, as well as the 4-link to hang the housing.
On my '92 Dakota it didn't have to shorten the drive shaft. All I had to do was take it to a Machine shop and have them cross-reference a u-joint to fit my driveshaft and the yoke of the rearend. For now it works perfectly, but once I build the motor for the Dakota, I'll probably have the same shop build me a driveshaft to hold the "power."
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Chris
Dodge Dakota
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3/19/2002
19:29:44
| RE: Swapping Rear End Out
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Once again, do the 2001's have an 8.25, 8.75 or a 9.25 rearend (and front end for that matter)?
Thanks!
2001 QC 4x4 SLT+
4.7 auto LSD 3.55
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Dan H
Dodge Dakota
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3/19/2002
23:38:15
| RE: Swapping Rear End Out
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Chris,
According to the FSM, the Dakota is available with either 8.25 or 9.25 inch rear end. 8.25 has 10 bolts on the cover, 9.25 has 12. It appears that if the truck has rear anti-lock brakes, it has the 9.25 rear end.
Dan
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Chris
Dodge Dakota
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3/20/2002
00:09:47
| RE: Swapping Rear End Out
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Thanks Dan H!
Truck on...
2001 QC 4x4 SLT+
4.7 auto LSD 3.55
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Dan
Dodge Dakota
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4/12/2002
00:26:18
| RE: Swapping Rear End Out
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Dakotart: I just put an 8 3/4 in my 88 dak. used an a-body housing(spring perches lined right up). i cut the lower shock mounts off of my old rear end and welded them onto the 8 3/4. BTW all a-body 8 3/4's have an oddball 5 on 4 bolt circle. i had moser engineering send me a set of axles with the 5 on 4.5.
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john j
Dodge Dakota
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3/20/2003
20:03:35
|  RE: Swapping Rear End Out
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how much was the axles from moser enginering and how do you get in touch with them
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dragrdan
Dodge Dakota
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3/21/2003
02:56:51
| RE: Swapping Rear End Out
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i paid 275 for the set of 5 on 4.5 bc axles to fit the a-body housing(bout 8 yrs ago).
http://www.moserengineering.com/moser_interior/moparstockaxles.htm
look to be a lil cheaper now tho
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john j
Dodge Dakota
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3/21/2003
14:24:07
| RE: Swapping Rear End Out
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thanks this will help me out alot
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