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Re: Ring & pinion gears 49 3600 [Re: imstilllarry] #1240623
Wed Oct 25 2017 11:30 AM
Wed Oct 25 2017 11:30 AM
G
Grigg  Offline
Master Gabster
Joined: May 2005
Posts: 9,296
Lexington, VA
He did not, and explained in another thread the vendor was confused, does not have new gears for the old Eaton axle.
https://www.stovebolt.com/ubbthread...ne-ton-rear-end-upgrade.html#Post1239041


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-
Re: Ring & pinion gears 49 3600 [Re: SWEET] #1243328
Tue Nov 14 2017 11:08 PM
Tue Nov 14 2017 11:08 PM
D
Don huffer  Offline
Shop Shark
Joined: Jun 2017
Posts: 211
Cape Coral Florida
Can’t find them. Lots of guys looking for them.

Don


I don’t think too much of the name Stovebolt.
Re: Ring & pinion gears 49 3600 [Re: imstilllarry] #1243340
Wed Nov 15 2017 12:53 AM
Wed Nov 15 2017 12:53 AM
S
Savannah54  Offline
Shop Shark
Joined: Dec 2014
Posts: 222
Georgia's Fresh Water Coast
Why don't we as a group of 3600 and 1 tons find someone to make these. I'm talking about a ring and pinion which makes the whole process why harder. Than pulling a entire pumpkin and swapping it. Isn't there someone in America that has a casting/maching shop.

I have a pumpkin with the correct 4.11 gears. I'm busy with other things Brakes, Master Cylinder, and Seat foam. Mine could be used as a pattern for the first stage of Casting. What ever, I need them back.

How many are needed 200 or more


Julian Carter

1970 Triumph GT6
1967 Triumph TR4A
1952 Chevy 3600
1948 MG-TC
Re: Ring & pinion gears 49 3600 [Re: imstilllarry] #1243344
Wed Nov 15 2017 01:30 AM
Wed Nov 15 2017 01:30 AM
Achipmunk  Online
Boltergeist
Joined: Dec 2001
Posts: 16,024
Boiling Springs, S. C. 29316
Back a few years ago I went to our local, and reputable, gear maker Griffin Gear.
http://www.griffingear.com/

They, or the "boss" I talked to, gave me about 5 minutes or less and flat told me they did not do "automotive" gears. I believe they once did but evidently not enough interest for their cost??? Just saying.......!


1937 Chevy Pickup
1952 Chevy Panel
Pictures in my Photobucket
1950 Chevy Coupe

52 Chevy Panel

I'd rather walk and carry a Chevy hub cap than ride in a Ferd.
I can explain it to you, but I can't understand it for you smile
Re: Ring & pinion gears 49 3600 [Re: imstilllarry] #1243351
Wed Nov 15 2017 02:32 AM
Wed Nov 15 2017 02:32 AM
D
Don huffer  Offline
Shop Shark
Joined: Jun 2017
Posts: 211
Cape Coral Florida
What is another option besides the pumpkin swap? Is there another rear end that will match in width?

Don


I don’t think too much of the name Stovebolt.
Re: Ring & pinion gears 49 3600 [Re: imstilllarry] #1243371
Wed Nov 15 2017 05:15 AM
Wed Nov 15 2017 05:15 AM
H
Hotrod Lincoln  Online
Boltergeist
Joined: Feb 2004
Posts: 16,082
Dellrose, TN
There are at least half a dozen full floating rear axles that are very close to the right width, with the exact same 8 bolt lug pattern. Dana type 60 and GM corporate 14 bolt are the most common - - - -in Ford, Dodge, GMC, International, and a few other brands of trucks. There's absolutely no reason other than bullheaded stubbornness to stick with the Eaton 3/4-1 ton housing. I've got a mid-1970's Dana 60 from a GMC with a 3.73 gear ratio and a Positraction center section under my 59 Burb right now.
Jerry


The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
Re: Ring & pinion gears 49 3600 [Re: imstilllarry] #1243378
Wed Nov 15 2017 12:19 PM
Wed Nov 15 2017 12:19 PM
G
Grigg  Offline
Master Gabster
Joined: May 2005
Posts: 9,296
Lexington, VA
The GM 14 bolt from a “cab and chassis” truck is best axle swap in my opinion.
Width is perfect, lots of gear ratios available, some even faster than practical.
Brakes are large, available, and economical.
Spring perches do need moving. Better to replace with aftermarket bent steel ones that match spring width.
Brakes as they come just fit, but replacing drums with shallower offset ones (use same brake shoes) and welding on a new flange for backing plate to bolt on a little further out makes for plenty of room between brakes and springs.


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-
Re: Ring & pinion gears 49 3600 [Re: Hotrod Lincoln] #1243754
Sat Nov 18 2017 05:43 AM
Sat Nov 18 2017 05:43 AM
D
Don huffer  Offline
Shop Shark
Joined: Jun 2017
Posts: 211
Cape Coral Florida
Jerry
Tanks for the reply. The 3:73s might be to much for my 216cid to push down the road.

Also the Eaton pumpkin swap is far easier to do and it gets me the 4:11s that work best for my hp.

Don

Last edited by Don huffer; Sat Nov 18 2017 05:48 AM.

I don’t think too much of the name Stovebolt.
Re: Ring & pinion gears 49 3600 [Re: Grigg] #1243755
Sat Nov 18 2017 05:50 AM
Sat Nov 18 2017 05:50 AM
D
Don huffer  Offline
Shop Shark
Joined: Jun 2017
Posts: 211
Cape Coral Florida
Grigg
Thanks for the reply but that’s sounds like too much work for me.

Don


I don’t think too much of the name Stovebolt.
Re: Ring & pinion gears 49 3600 [Re: imstilllarry] #1243762
Sat Nov 18 2017 12:13 PM
Sat Nov 18 2017 12:13 PM
G
Grigg  Offline
Master Gabster
Joined: May 2005
Posts: 9,296
Lexington, VA
You’re welcome

The 4.10 swap is easy.
For a little more work and some welding the 14 bolt has several advantages, something to keep in mind.


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-
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