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Old January 9th, 2019, 06:05 PM
JCRJ JCRJ is offline
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Default 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?
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Old January 9th, 2019, 06:33 PM
ray steadward ray steadward is offline
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Rears are pretty easy if they are wide enough to clear the spring packs....Measure between the backing plates.
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Old January 9th, 2019, 06:36 PM
jhartings jhartings is online now
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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.
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Old January 10th, 2019, 01:51 AM
Mikel Mikel is offline
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Quote:
Originally Posted by ray steadward View Post
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
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Old January 10th, 2019, 04:37 AM
JCRJ JCRJ is offline
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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.
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Old January 11th, 2019, 09:17 AM
TXfirefighter TXfirefighter is offline
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Default 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.
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Old January 14th, 2019, 08:45 PM
JCRJ JCRJ is offline
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That’s great to know. Thanks for the info.
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Old March 13th, 2019, 05:03 PM
TXfirefighter TXfirefighter is offline
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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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