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#729733 03/14/2011 4:37 AM
Joined: Jan 2010
Posts: 166
C
Shop Shark
Shop Shark
C Offline
Joined: Jan 2010
Posts: 166
The guy who owned the 49 GMC 1/2 ton I bought, sort of turned it in a 3/4 by adding more leaves. I want to take it back to the standard number of leaves. Also, I have a friend that owns a spring factory that can, either make new or repair mine, but I'm looking for some sort of spec (spring coeficient, a curve load/deformation)so he can make the repair.

Thanks

Joined: May 2005
Posts: 8,878
G
.
.
G Offline
Joined: May 2005
Posts: 8,878
The shop manual list number of springs and a few more details.


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-
Grigg #730023 03/15/2011 3:12 AM
Joined: Jan 2010
Posts: 166
C
Shop Shark
Shop Shark
C Offline
Joined: Jan 2010
Posts: 166
Grigg: I checked my shop manuals (both 47-54 and 55-59 and the specs on sprins are basically for the eyebolts and torque for u bolts. On parts book it shows number of leaves but otherwise no specs. My shop manuals are for GMC as my truck. Does Chevrolet shop manuals have something additional?

Joined: May 2005
Posts: 8,878
G
.
.
G Offline
Joined: May 2005
Posts: 8,878
A great resource for online Chevy manuals is here
http://chevy.oldcarmanualproject.com/

Here's the 48-51 truck shop manual
http://chevy.oldcarmanualproject.com/shop/1948_51truck/index.htm

These pages list numbers of springs and length
http://chevy.oldcarmanualproject.com/shop/1948_51truck/51ctsm0316.htm
http://chevy.oldcarmanualproject.com/shop/1948_51truck/51ctsm0464.htm

For more detailed info try http://www.eatonsprings.com/ they say the have all the original specs, but don't expect them to tell you and then have them made by someone else...
They made a set of springs for my truck and did an excellent job, and very reasonable price I thought, and they had all the pins, bushings, and related parts I needed.

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-
Grigg #730357 03/16/2011 4:16 AM
Joined: Jan 2010
Posts: 166
C
Shop Shark
Shop Shark
C Offline
Joined: Jan 2010
Posts: 166
Wow Grigg. Eaton has right what I was looking, rate and load capacity with related to deformation. A defenitly bookmark for me.

Joined: Feb 2001
Posts: 4,095
W
'Bolter
'Bolter
W Offline
Joined: Feb 2001
Posts: 4,095
I used eaton for replacement springs on my 79 AMC pacer IFS.


Ron, The Computer Greek
I love therefore I am.
1954 3100 Chevy truck
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