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Axle Swap on my '56 Hotrod Bus
#1018137 Sun Mar 30 2014 05:31 AM
Joined: Dec 2008
Posts: 402
F
Shop Shark
Well I got the springs done and all the spring hardware to set up the new axle. The springs went in rather nicely and as suspected the spring pads on the axle are off a little by about 3/8". I mounted up the wheels and set it down on the ground to see how the new stance looks. Here are some pics.
I Like this one because it's OE hardware. smile
http://i107.photobucket.com/albums/...A-4138-BA9B-470C8D2FB68E_zps8trbhs2t.jpg

OK, on to the rest:
http://i107.photobucket.com/albums/...B-4347-B1E0-6FC2C0DDFEEE_zpsiwuehkcb.jpg
http://i107.photobucket.com/albums/...E-4ED2-8389-3180332B10FD_zpsz0blqtrz.jpg
http://i107.photobucket.com/albums/...5-4EAC-90F5-2A5BECF6BC42_zpspbeouybz.jpg
http://i107.photobucket.com/albums/...6-4298-BA85-26A5D37A5C44_zpsva8jrlcd.jpg
http://i107.photobucket.com/albums/...6-4F40-81EC-0608D38ABF6A_zps264wunaq.jpg

And here are before and after shots of the stance:
http://i107.photobucket.com/albums/...B-EB61372118DF-6982-00000C09606CA87D.jpg
http://i107.photobucket.com/albums/...3-42C3-80CA-4C90EE96223B_zpsni0ubz1l.jpg

After all this I think the front springs and spindles should be a piece of cake. Doh!! Did I just say that outloud?? Here's to hoping anyway.

At least I'm looking forward to some 4.63 gears in the rear and a softer ride.

Last edited by fclaridge; Sun Mar 30 2014 05:42 AM.

1956 Chevy School Bus Superior Body
In the Stovebolt Gallery
More pix in Photobobucket
Re: Axle Swap on my '56 Hotrod Bus
fclaridge #1018862 Wed Apr 02 2014 04:07 AM
Joined: Nov 2010
Posts: 1,189
W
Shop Shark
Lookin' GOOD!! Troy Duncan is planning on truckin' this bus back to Missouri,graft a T.F. front clip on it,and build it into a 4x4! He wants to use disc brakes,as well. how did you do your disc brake set-up? http://s1181.photobucket.com/user/willybickey/media/BillyWsbuscapades010.jpg.html?

Last edited by wetwilly5757; Wed Apr 02 2014 04:13 AM.

Just sold: 1955 2nd Series 6500 2-Ton Flatbed Truck
Mo' Tater
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Re: Axle Swap on my '56 Hotrod Bus
fclaridge #1018924 Wed Apr 02 2014 04:03 PM
Joined: Mar 2011
Posts: 735
T
Shop Shark
Howdy --- Maybe I missed it, but what rear end did you transplant? Is that a Dana? (4.63 is the most common ratio in the Dana 80's) And what motor/trans arrangement turns it?


1946 1.5-Ton Chevy Shorty Bus
In the Stovebolt Gallery
More pix on Flickr

All my best --- Tango
Re: Axle Swap on my '56 Hotrod Bus
fclaridge #1019469 Fri Apr 04 2014 08:13 PM
Joined: Dec 2008
Posts: 402
F
Shop Shark
Hi wetwilly5757, Thanks. The disc brake set up is stock on this axle. One of the reasons I am happy the way things are going. I recently talked to my spring shop techs and they are going to help make some new bushing for the front king pins when I swap to a modern spindle with discs. Grigg's tech info is great and I am going to do just that. The tolerances for the new vs old king pins for me are just .07". The spring shop guy said they have a guy that can make those bushings in the shop no problem. I'm getting excited to do that too. I just need to find a source for spindles for a P30 step van now. I see lots of hardware and such, but no spindles.

Tango, yes this is a Dana 80 from a 2001 HD3500 truck. I'm running a rebuilt 454 and the SM420 transmission at the moment, but going to do a TH400 when I find the right one. I think it would be good to put it in first. Then I won't have to modify the driveline more than once. I'm looking for one out of a Motorhome to match the weight it is pulling. Then if I want to put in another gear I'll add an overdrive unit. We'll see how it goes with just the TH400 first though.

Just got the new Ubolts yesterday so more work this weekend. smile


1956 Chevy School Bus Superior Body
In the Stovebolt Gallery
More pix in Photobobucket
Re: Axle Swap on my '56 Hotrod Bus
fclaridge #1021532 Mon Apr 14 2014 01:29 AM
Joined: Apr 2014
Posts: 3
A
New Guy
hi,just joined stovebolts.been reading youre posts on youre bus build.i got a 1960 chevy Viking 50 school bus.bus is a true shorty at 19 teen feet long.has 6cyl,4spd,2spd rearend.got a couple of 98 c3500hd trucks that I'm going yo use to build this bus with.also I have a 55 chevy dump truck, v8,4spd,2spd rearend.thanks for the info and keep it coming.i'm not very computer literate,so I many just read the posts.thanks joe,tucson az

Re: Axle Swap on my '56 Hotrod Bus
fclaridge #1021616 Mon Apr 14 2014 02:38 PM
Joined: May 2005
Posts: 9,176
G
.
Originally Posted by fclaridge
Grigg's tech info is great and I am going to do just that. The tolerances for the new vs old king pins for me are just .07". The spring shop guy said they have a guy that can make those bushings in the shop no problem.

I've done one of these conversions and it worked out nicely to simply bore the stock P-30 bushings to fit the new (for your original axle) 2 ton king pin/bushings kit. I removed the used P-30 bushings, chucked them in the lathe and bored them close to size, then re installed with loctite sleeve retaining compound and reamed them to proper size, finally install new bushings and properly ream/hone to fit kingpin.

Your best bet on finding the P-30 axle components you'll need is to buy a complete P-30 front axle. Unlikely you'll find them new at a price you can afford and best chances of finding them used is a complete axle.

Grigg


1951 GMC 250 in the Project Journals [stovebolt.com]
1948 Chevrolet 6400 [stovebolt.com] - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
1952 Chevrolet 3800 pickup [stovebolt.com]
---All pictures [picasaweb.google.com]---
"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-
Re: Axle Swap on my '56 Hotrod Bus
fclaridge #1022172 Wed Apr 16 2014 07:56 PM
Joined: Dec 2008
Posts: 402
F
Shop Shark
Thanks Grigg. I guess I'll be on the hunt for a stepvan or something with the P30 chassis for the whole axle.

azfenders, sounds like you have a cool bus. 19' is pretty short. Do you have pics of it yet? I would've liked a shorter one, but I found mine and it was pretty cool and a great price. Welcome to the group.


1956 Chevy School Bus Superior Body
In the Stovebolt Gallery
More pix in Photobobucket
Re: Axle Swap on my '56 Hotrod Bus
fclaridge #1022494 Fri Apr 18 2014 12:35 AM
Joined: Apr 2014
Posts: 3
A
New Guy
hi fclaridge,i have some pictures but don't know how to post them,not computer literate,only usally send a pics to my brother back east threw e-mail.bus is looking good.thanks azfenders


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