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New trans to old axle drive shaft? #2599467
12/31/18 09:29 PM
12/31/18 09:29 PM
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Crofton, Ky.
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rattler Offline OP
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OK, I know someone has already done this. I need to connect a NAG 1 trans to an 8 3/4 rearend. I know the driveshaft will need a slip joint in the middle, but how do you allow for angular movement at the trans?


1957 Dodge truck, Snakeskin Green with a little stroker motor. 1964 Plymouth Savoy wagon ( my new project)
Re: New trans to old axle drive shaft? [Re: rattler] #2599596
01/01/19 01:45 AM
01/01/19 01:45 AM
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furious70 Offline
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Somewhere in here there's pictures of a sprinter van output that had 4 bolts and you can get a slip yoke for.


70 Sport Fury
68 Charger
69 Coronet
72 RR
Re: New trans to old axle drive shaft? [Re: rattler] #2602424
01/06/19 02:38 PM
01/06/19 02:38 PM
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Crofton, Ky.
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rattler Offline OP
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Anybody else?


1957 Dodge truck, Snakeskin Green with a little stroker motor. 1964 Plymouth Savoy wagon ( my new project)
Re: New trans to old axle drive shaft? [Re: rattler] #2602850
01/07/19 12:27 PM
01/07/19 12:27 PM
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tri-cities Washington/Denver, ...
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5280Dart Offline
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I purchased a flange/yoke adapter thru the driveshaft shop. It bolts onto the NAG1 output flange, with a 1320 yoke end on the other side. I believe mine was a Nepco brand. I believe the one shown in the following link is similar other than using a 1350 joint. Measure the bolt pattern and pilot bore size on your output flange and order accordingly.
http://www.driveshaftshop.com/1350-u-joint-flange-2-85-x-2-45-pattern-with-a-2-75-pilot

Last edited by 5280Dart; 01/07/19 12:40 PM.
Re: New trans to old axle drive shaft? [Re: 5280Dart] #2603191
01/07/19 11:57 PM
01/07/19 11:57 PM
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Crofton, Ky.
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rattler Offline OP
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Thanks, that's a big help. Do you know where I could get the 4 bolt Nag 1 output flange? Mine has the 3 bolt.


1957 Dodge truck, Snakeskin Green with a little stroker motor. 1964 Plymouth Savoy wagon ( my new project)
Re: New trans to old axle drive shaft? [Re: rattler] #2603393
01/08/19 01:16 PM
01/08/19 01:16 PM
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5280Dart Offline
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I don't know off the top of my head. Maybe moparoverstock.com.
There are 3-bolt adapters as well. I think this one is a GM application, but it may fit or they may offer one that does.

https://www.sonnax.com/parts/3868-3-bolt-adapter-flange-yoke

Last edited by 5280Dart; 01/08/19 01:20 PM.






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