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Author Topic: Axle swap on 58 Plymouth - need suggestions.  (Read 649 times)

Mike

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Axle swap on 58 Plymouth - need suggestions.
« on: April 24, 2009, 06:50:15 PM »


Does anyone know of a Dana or 8.75 axle assembly from 60's or 70's Mopar that has the same width as teh 58 Plymouth ?
 
Has anyone made this conversion ?
 
What are my options for moving away from the pressed-in / tapered axles ?
 
Will I have to keep the axle assembly tube, etc.. and get new axles shafts made ?
 
Thanks for any info
Mike
POLARACO2009-04-25 11:01:02
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Leaburn Patey

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Axle swap on 58 Plymouth - need suggestions.
« Reply #1 on: April 24, 2009, 07:07:43 PM »

Our bloss man has swapped in a 65-newer C body rear 8.75 into his 59 Saratoga and upgraded the drum to discs.
The 65-newer C body axles are readily available,easy to repair/set up compared to he old style castle nut type 8.75's



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Mike

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Axle swap on 58 Plymouth - need suggestions.
« Reply #2 on: April 24, 2009, 07:09:26 PM »

Great, and I'm assuming they are the same width as the 58-59 ?
 
Thanks for the info !
Mike
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Steve

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Axle swap on 58 Plymouth - need suggestions.
« Reply #3 on: April 25, 2009, 05:56:24 AM »

No  That was a E body into a 62.
 
WELCOME
 
You have to measure the spring purchases first on what you have. 
I am assuming you want to eliminate the tapered drums. . . .  You can do that by just changing the axles and backing plates.  Or just convert it to rear disc brakes. . . .
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Mike

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Axle swap on 58 Plymouth - need suggestions.
« Reply #4 on: April 27, 2009, 08:09:08 AM »

Is there a complete read end assembly that bolts in ?
 
I have no problem modifying the spring perches, u-bolts, etc... but need to know what rear end fits up under the 58...
 
Thank You
Mike
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Steve

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Axle swap on 58 Plymouth - need suggestions.
« Reply #5 on: April 27, 2009, 09:47:54 AM »

Let's back up a sec.  What are you trying to do?  Get rid of the tapered shafts?
 
I think a C body will be too wide.  You'll need a B or E Body.  But you can modify the one you have by just changing the axles.  The carrier can be replace with any 8 3/4 carrier you want.  The housings are the same, the dimensions are different, end to end.
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Snotty

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Axle swap on 58 Plymouth - need suggestions.
« Reply #6 on: April 27, 2009, 11:11:32 AM »

If you swap the axels, you will need to swap everything from the plates out.  That's not hard to do, but you will need to get new drums as well.  If you just swap the axels and brakes, you will have two holes in the backing plates that will need to be covered.  These are the holes for the emergency brake.  As you know, that is on your drive-shaft in your Plymouth. 
 
I swapped axels, brake plates, drums, and all hardware on an A Body rear I installed in our Gremlin Project.  (I did this to get the 4.5" bolt pattern.)  The total was less than $500.00, not counting the cost on the axel itself.  It will cost you considerably more than that for a Dana rear.
 
As for a fit, measure your current rear from brake plate to brake plate.  That's the distance you will need to know, as well as where the axel perches are.
 
SCott
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