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Fixing the old truck

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Joined: Nov 2006
Posts: 108
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Wrench Fetcher
Wrench Fetcher
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Posts: 108
1951 3100 all orginal....What kind of rear end do I have?


1951 3100
http://community.webshots.com/user/HolcombRacing11

"Every child is an artist. The problem is how to remain an artist once he grows up."
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G Offline
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One with a torque tube, made by GM.
It does not have a common name like a Dana 40 or a ford 9" or a Rockwell, or a GM 10 bolt.....
It's just a 51 1/2 ton rear as far as I know.
Grigg


1951 GMC 250 in the Project Journals
1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
1952 Chevrolet 3800 pickup
---All pictures---
"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-
Joined: Nov 2006
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Wrench Fetcher
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Thanks I am going to buy gears for the rear end...and was trying to figure out what I had...everybody suggested 3:55


1951 3100
http://community.webshots.com/user/HolcombRacing11

"Every child is an artist. The problem is how to remain an artist once he grows up."
Pablo Picasso
Joined: May 2005
Posts: 8,877
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G Offline
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As far as I know you have only a few places to buy gears for your truck.
Try Patrick's, and the usual parts catalogs like Jim Carter's and Chevy Duty, or whoever they are now.


1951 GMC 250 in the Project Journals
1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
1952 Chevrolet 3800 pickup
---All pictures---
"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-
Joined: Sep 2001
Posts: 29,262
Bubba - Curmudgeon
Bubba - Curmudgeon
Joined: Sep 2001
Posts: 29,262
You have a 4.11 rear rear end.

The 3.55 conversion kits all come from Patrick\'s Antique Cars & Trucks . It is a a good idea to also buy the Ring & Pinion and the Ring & Pinion Installation Kit. The kit has all the bearings, bushings, clips, and gaskets that you really should replace.

If you do not have a runout gauge available, Harbor Freight not has a dial indicator and magnetic gauge holder on sale. Page 15 of the Tool Disposal Notice catalog - good until 26 March

Joined: Jul 2006
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Shop Shark
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Posts: 482
I talked with a guy at Patrick's one time. Unlike any other supplier, he knew what he was talking about. They don't make gears for my truck but if they did, I'd buy from Patrick's.


Moderated by  Phak1, Woogeroo 

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