shorten C body 8&3/4 axles to fit A body housing ?
#1924093
10/02/15 01:14 PM
10/02/15 01:14 PM
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Posts: 36,040 Lincoln Nebraska
RapidRobert
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Is this doable? there are several lengths of C body axles listed in the archives. Want to send a pair in to Moser & dont know yet what lengths the ones in question are. thank you for your time.
live every 24 hour block of time like it's your last day on earth
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Re: shorten C body 8&3/4 axles to fit A body housing ?
[Re: RapidRobert]
#1924096
10/02/15 01:20 PM
10/02/15 01:20 PM
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burdar
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I looked into doing the same thing. I was given a free C-body 8 3/4.(mid 60's I think) The axles are basically E-body length. They taper down right at the A-body length so they won't work. My plan is to have the housing shortened and buy Dr Diff axles. Maybe different years would have an axle that doesn't taper down.
All E-body 29 31/32" 65-69 C-body 30"
Last edited by burdar; 10/02/15 01:29 PM.
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Re: shorten C body 8&3/4 axles to fit A body housing ?
[Re: dogdays]
#1924133
10/02/15 02:04 PM
10/02/15 02:04 PM
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RapidRobert
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Alright, iirc Moser told me way back that it needs at least 28" from outside of flange to axle tip for them to be good candidates and at least 1" of spline is needed when you are done for proper engagement. sounds like I need to get em in hand & go from there. thanks guys!
live every 24 hour block of time like it's your last day on earth
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Re: shorten C body 8&3/4 axles to fit A body housing ?
[Re: RapidRobert]
#1924346
10/02/15 06:41 PM
10/02/15 06:41 PM
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Joined: Jun 2005
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skicker
"The Champ"
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"The Champ"
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Robert...why not just buy the correct axles from Dr. Diff?
...FAFO...
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Re: shorten C body 8&3/4 axles to fit A body housing ?
[Re: RapidRobert]
#1924352
10/02/15 06:49 PM
10/02/15 06:49 PM
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Joined: Jan 2003
Posts: 25,817 Rio Linda, CA
John_Kunkel
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On most axle shafts the first 3" of the spline end is necked down so only the C-body and truck 31"+ shafts are suitable to be shortened to 28" for the A-body. Even if the shaft is long enough there's not always enough meat for shortening/resplining because of shaft irregularities.
Less hassle to buy new.
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Re: shorten C body 8&3/4 axles to fit A body housing ?
[Re: John_Kunkel]
#1924398
10/02/15 07:49 PM
10/02/15 07:49 PM
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RapidRobert
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More good info. I'll measure em
live every 24 hour block of time like it's your last day on earth
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Re: shorten C body 8&3/4 axles to fit A body housing ?
[Re: RapidRobert]
#1924579
10/02/15 11:50 PM
10/02/15 11:50 PM
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Joined: Jan 2003
Posts: 20,179 Park Forest, IL
slantzilla
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I have a set Mosr did. I used E body. Moser told me truck, E and late C body were the only ones they would cut.
Moser can do them for A body brakes, but then you need your drums redrilled too.
"Everybody funny, now you funny too."
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Re: shorten C body 8&3/4 axles to fit A body housing ?
[Re: Jim_Lusk]
#1924743
10/03/15 04:04 AM
10/03/15 04:04 AM
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RapidRobert
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iirc they said hook your tape over the flange & out to the end they need (at least) 28" before it starts to neckdown
live every 24 hour block of time like it's your last day on earth
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Re: shorten C body 8&3/4 axles to fit A body housing ?
[Re: skicker]
#1926173
10/05/15 12:28 PM
10/05/15 12:28 PM
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Joined: Nov 2004
Posts: 1,745 Maryland
340_Dart
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Robert...why not just buy the correct axles from Dr. Diff? Definitely agree, it's a no brainier for me... Why spend the money on a set of old stock axles when you can order a brand new set from Dr. Diff that are stronger than factory axles, not to mention NEW, and have green bearings.
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Re: shorten C body 8&3/4 axles to fit A body housing ?
[Re: 340_Dart]
#1926295
10/05/15 03:30 PM
10/05/15 03:30 PM
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Jwilli500
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Curious, Are Dr. Diffs axles able to use Standard tapered bearings too? Robert...why not just buy the correct axles from Dr. Diff? Definitely agree, it's a no brainier for me... Why spend the money on a set of old stock axles when you can order a brand new set from Dr. Diff that are stronger than factory axles, not to mention NEW, and have green bearings.
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Re: shorten C body 8&3/4 axles to fit A body housing ?
[Re: Jwilli500]
#1926313
10/05/15 03:48 PM
10/05/15 03:48 PM
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Polarapete
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Curious, Are Dr. Diffs axles able to use Standard tapered bearings too? Robert...why not just buy the correct axles from Dr. Diff? Definitely agree, it's a no brainier for me... Why spend the money on a set of old stock axles when you can order a brand new set from Dr. Diff that are stronger than factory axles, not to mention NEW, and have green bearings. I can agree with most all of that, but if I were doing it I would go for a hybrid and opt for the Phord "Torino" big wheel bearings, Phord housing ends and use the racing Phord 11" brake drum kits for the rear that are brand new complete. That way you get better wheel bearings that are prepacked and sealed, new rear brakes that are probably a lot more than you need with a parking brake that is easy to adapt to your existing cables and a bolt pattern that will fit the BBP wheels you will want. We can continue the 8.75" discussion vs. Phord 9" vs Dana 60 if you must, but at least we now have the axle issue settled. JMHO.
1986 Dodge Ramcharger 440 2wd, Bracket Racer Under Construction 1998 Ram 2500 QuadCab, new daily driver. 2008 Honda Element 2014 Carry-On 7x14 Cargo Trailer
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Re: shorten C body 8&3/4 axles to fit A body housing ?
[Re: DUSTER_340]
#1926882
10/06/15 10:17 AM
10/06/15 10:17 AM
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Joined: Jun 2005
Posts: 5,105 Western Md.
skicker
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Using B-C Body and later A body brake drums and backing plate have no bearing on width. (maybe a small amount being only the thickness of the drum at the axle flange) The axle flange dimension is the dimension you need from left to right. Its not 1985 any more...there are better options out there than reusing 40-50 year old parts...
...FAFO...
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Re: shorten C body 8&3/4 axles to fit A body housing ?
[Re: skicker]
#1927109
10/06/15 03:48 PM
10/06/15 03:48 PM
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Posts: 25,817 Rio Linda, CA
John_Kunkel
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GAWD!!! I wish someone would outlaw that chart, it's everywhere and mostly wrong.
All '66-'72 A-body housings are 52 5/8" wide. Using the BBP axles in an A-body housing will increase the overall width 5/8" so, to keep the original overall width, you'd have to make the housing 52.0".
The INTERNET, the MISinformation superhighway
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Re: shorten C body 8&3/4 axles to fit A body housing ?
[Re: DUSTER_340]
#1928831
10/09/15 02:56 AM
10/09/15 02:56 AM
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Big Bad Bee
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Not to rob Cass of any business, but I would respline a set of C body axle shafts just like I would bore and reuse a 40-50 year old engine block or crank. Why? It's cheap and more importantly I'M CHEAP!!! An hour of shop time compared to brand new shafts? Unless you are going to stand on this car, I don't see any reason not to give grandpa's old axles a new lease on life. Mopar Action did a great story on this back in the 90's and it's likely available at their website. I got mine out of a 69 Fury. Go for it. If you can't get the thing together, call the Dr.
I’m listening.
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Re: shorten C body 8&3/4 axles to fit A body housing ?
[Re: burdar]
#1929016
10/09/15 02:01 PM
10/09/15 02:01 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
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Moser in Portland Indiana. $125 (per pair) plus the ride (both ways)
live every 24 hour block of time like it's your last day on earth
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Re: shorten C body 8&3/4 axles to fit A body housing ?
[Re: 440farmer]
#1929122
10/09/15 04:11 PM
10/09/15 04:11 PM
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Joined: Nov 2003
Posts: 36,040 Lincoln Nebraska
RapidRobert
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If I didn't already have em I would call the Doc
live every 24 hour block of time like it's your last day on earth
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Re: shorten C body 8&3/4 axles to fit A body housing ?
[Re: RapidRobert]
#1929148
10/09/15 05:22 PM
10/09/15 05:22 PM
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Posts: 1,751 Graham, WA
Polarapete
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Back in the day when I worked in the wrecking yard we used to mark the end of the aisles with axles that we would pound in the ground and spray paint with fluorescent colors. When we finally closed the yard, we crushed all the cars that were left, pulled the axles out of the ground and sent everything to the scrap mill. The C body axles were a favorite for the task because we had so many of them and they never sold.
1986 Dodge Ramcharger 440 2wd, Bracket Racer Under Construction 1998 Ram 2500 QuadCab, new daily driver. 2008 Honda Element 2014 Carry-On 7x14 Cargo Trailer
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Re: shorten C body 8&3/4 axles to fit A body housing ?
[Re: skicker]
#1929381
10/10/15 12:21 AM
10/10/15 12:21 AM
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Posts: 1,751 Graham, WA
Polarapete
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Glad you liked it, feel free to use it when it seems right!!!
1986 Dodge Ramcharger 440 2wd, Bracket Racer Under Construction 1998 Ram 2500 QuadCab, new daily driver. 2008 Honda Element 2014 Carry-On 7x14 Cargo Trailer
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