D35-8.25 swap, Driveshaft length?

Overdriven · Feb 18, 2005

I have a 8.25 w/ 4.10s that I'm swapping in place of my D35 non c-clip with 3.55's. Will I need to swap driveshafts or can I keep running the one I have.

The 8.25 is out of a 2wd XJ so I can't use it's driveshaft. I'll be running 31's and 3.5 inches of lift. Anything else to consider.

jrsxj98 · Feb 18, 2005

should cross over. mine did from d35 to 8.25 and then to d44.

Kittrell · Feb 18, 2005

jrsxj98 said:
should cross over. mine did from d35 to 8.25 and then to d44.

Don't mind Justin, he has issues with commitment............. :laugh3:

Ludakris · Feb 18, 2005

I am about to do the same thing and from what I heard, the drive shaft will be a little long... 1/2"-1"....which will help out with a lift....

BillR · Feb 18, 2005

91 Jeep Project said:
Don't mind Justin, he has issues with commitment............. :laugh3:

Hey, I made the same swaps in mine. Dana 35 to 29-spline 8.25 to Dana 44.

Overdriven · Feb 18, 2005

Nice, thanks y'all.

2xtreme · Feb 18, 2005

TEXJ said:
I have a 8.25 w/ 4.10s that I'm swapping in place of my D35 non c-clip with 3.55's. Will I need to swap driveshafts or can I keep running the one I have.

The 8.25 is out of a 2wd XJ so I can't use it's driveshaft. I'll be running 31's and 3.5 inches of lift. Anything else to consider.

This may sound stupid. But do not run it in 4x4 until you make the gears in the front and back match again!!

Probably obviouse but would rather make the comment.

Michael

jrsxj98 · Feb 18, 2005

BillR said:
Hey, I made the same swaps in mine. Dana 35 to 29-spline 8.25 to Dana 44.

See im not the only one who is afraid of commentment.....funny my wife use to tell me the same thing....except in my jeeps case, she says buying parts for me is like giving my girlfriend a present..

Roll-over · Feb 18, 2005

91 Jeep Project said:
Don't mind Justin, he has issues with commitment............. :laugh3:

I agree, all of us in this should be committed! :wow:

Roll-over · Feb 18, 2005

2xtreme said:
This may sound stupid. But do not run it in 4x4 until you make the gears in the front and back match again!!

Probably obviouse but would rather make the comment.

Michael

no big deal... just put doughnut spares on the front... go for that "Hotwheels" look!

Eagle · Feb 19, 2005

FWIW, the D35 with automatic takes a driveshaft 5/8" longer than a Chrysler 8.25 with automatic. This means that at stock height, swapping in an 8.25 would require that you shorten the drive shaft to avoid the possibility of damage to the transfer case.

Lifting at the same time you swap the axles cancels this out. I know the exact dimension because a friend with an 8.25 axle lifted his (father's) XJ and had the drive shaft fall out on the maiden voyage. We laid his drivehaft next to the one out of my 87 parts heap, which has a D35. The 87 drive shaft was 5/8" longer, so that's what he installed and all was good.

I think doing the swap and a 3" lift at the same time you'll be good to go.

Overdriven · Feb 19, 2005

Trust me, I plan on doing both ends at the same time. I've had the gears and install kit for the front for a month now. I'm just waiting on the money to come through for the install. The rear swap will follow as soon as I get home from the front install.

With some of the comments and questions I see on this board though your warning was warranted. I could see somebody doing that.
Later.

PhotographerMike · Jun 27, 2007

Eagle said:
FWIW, the D35 with automatic takes a driveshaft 5/8" longer than a Chrysler 8.25 with automatic. This means that at stock height, swapping in an 8.25 would require that you shorten the drive shaft to avoid the possibility of damage to the transfer case.

Lifting at the same time you swap the axles cancels this out. I know the exact dimension because a friend with an 8.25 axle lifted his (father's) XJ and had the drive shaft fall out on the maiden voyage. We laid his drivehaft next to the one out of my 87 parts heap, which has a D35. The 87 drive shaft was 5/8" longer, so that's what he installed and all was good.

I think doing the swap and a 3" lift at the same time you'll be good to go.

Gotta love the search feature.

This is what I have planned for my wifes '89. D-35 is under the Jeep now, 3 inch lift springs are behind the garage and newly painted 8.25 is in the side yard.

I have the 242 transfer case, does the T.C. type change anything when doing the swap?

Thanks, Mike

D35-8.25 swap, Driveshaft length?

Overdriven

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Kittrell

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BillR

Toy Jeep driver!

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