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-   -   Rear swap from 90 dodge truck into m715 (http://www.m715zone.com/vb/showthread.php?t=29543)

JCRJ January 9th, 2019 06:05 PM

Rear swap from 90 dodge truck into m715
 
I recently acquired a M715, Iím also new to the forums, first timer here. I have a 1990 d350 with 6bt. Iím thinking about swapping the entire drivetrain into the 715. Has anyone ever used the Dana rears from the dodge pickup?

ray steadward January 9th, 2019 06:33 PM

Rears are pretty easy if they are wide enough to clear the spring packs....Measure between the backing plates.

jhartings January 9th, 2019 06:36 PM

Welcome! Many Zoners have done similar swaps and itís alot of work but should be a good project. Some custom mounts and will probably have to redo the axle perches but should work. Might want to check axle width. M715 hub to hub /axle width is pretty wide.

Mikel January 10th, 2019 01:51 AM

Quote:

Originally Posted by ray steadward (Post 269363)
Rears are pretty easy if they are wide enough to clear the spring packs....Measure between the backing plates.

IIRC, way too narrow from brake backing plate to backing plate, but that's what disk brake conversions are for :)

JCRJ January 10th, 2019 04:37 AM

So the dana60/70 in the rear of the dodge truck won’t fit under the M715? I’m measuring it all today so I’ll know by this afternoon. That will be a bummer.

TXfirefighter January 11th, 2019 09:17 AM

rear axle
 
I used an early '90's Dodge D-60. The WMS to WMS was great, Backing plates were wide enough but I did have to move the spring perches on each side and relocate the shock mounts.

JCRJ January 14th, 2019 08:45 PM

That’s great to know. Thanks for the info.

TXfirefighter March 13th, 2019 05:03 PM

Watch your pinion angle. If you use an NP205 or other high rear output t-case you'll need to pitch the pinion up to about a 10 degree slope or more.
Mine is going to live with what I have for now and solid u-joints.
It's right on the edge of needing a double cardan joint in the shaft and that would require raising the pinion to 15 degrees.

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