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Shocks for my 47 3100
#1342945 Mon Jan 20 2020 03:03 PM
Joined: Dec 2019
Posts: 35
4
Wrench Fetcher
Hello. I need some guidance on shocks for my 47 3100. I have it stripped down to the frame right now. I want to put everything back mostly original but don't care if the shocks are or not. The front has what appears to be the original shocks that came on the truck so I am sure they need to be replaces. Someone had replaced the rear end and the rear shocks were missing when I bought the truck. I will not be driving it across country or anything just local. What would be the easiest and most cost effective was to proceed.


1947 3100
Re: Shocks for my 47 3100
47chevySC #1342975 Mon Jan 20 2020 06:00 PM
Joined: Sep 2007
Posts: 413
R
Shop Shark
I have a '47 1/2 ton which I plan to switch over to modern style tube shocks. Many on the site have done this and have found that the ride improves. The knee action lever shocks can be rebuilt or bought new ($220 to $245 per shock. These are single action) Sometimes just adding new oil in the knee action lever shocks is needed to make them work. Jim Carter's site states that the originals will outlast the tube shocks 4 to 1. Search vendors' sites and do a search here. There is a lot of information and opinions available.

Last edited by Rusty Shackleford; Mon Jan 20 2020 06:01 PM.

It's a small world, but I wouldn't want to paint it.
Re: Shocks for my 47 3100
47chevySC #1342977 Mon Jan 20 2020 06:02 PM
Joined: Jun 2004
Posts: 8,221
W
Master Gabster
The best way is to get the brackets off a 50 or newer truck & change to tube shocks, I believe they have conversion kits available.
I have put oil in the old lever shocks & they work pretty good.
George


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.

1956 Chevy 1/2-Ton Pickup

Re: Shocks for my 47 3100
47chevySC #1343056 Tue Jan 21 2020 02:04 AM
Joined: Mar 2010
Posts: 9,443
5
Master Gabster
If you can rebuild the knee action shocks, they will work just as well as the later tube shocks.
This is due to the fact that the tube shocks used on these leaf spring trucks don't do much to improve the ride anyway.
I suppose they may help a little bit. I had the lower tube shock bolt fall out on one side in the rear, leaving it hanging freely, but did not notice any difference in ride quality before or after replacing the lost bolt.

Re: Shocks for my 47 3100
Wrenchbender Ret. #1344302 Thu Jan 30 2020 05:28 PM
Joined: Feb 2018
Posts: 292
J
Shop Shark
Originally Posted by Wrenchbender Ret.

I have put oil in the old lever shocks & they work pretty good.
George


Hydraulic oil? Is there an opening valve or something that makes it clear where to put the oil in?

Re: Shocks for my 47 3100
47chevySC #1344340 Thu Jan 30 2020 08:56 PM
Joined: Sep 2006
Posts: 3,721
B
Shop Shark
This may answer some of the lever shock questions for you.
https://www.flickr.com/photos/advance-design_parts_co/albums/72157703242887021

Re: Shocks for my 47 3100
47chevySC #1344470 Fri Jan 31 2020 08:12 PM
Joined: Feb 2018
Posts: 292
J
Shop Shark
Wow, Great info! Fun to read thru.

The article recommends using "Shock insulating fluid." I found several forum threads including the AACA recommended using hydraulic jack fluid.
Unless you can find this:

Attached Files
27062031_1.jpg (127.47 KB, 70 downloads)
Re: Shocks for my 47 3100
47chevySC #1345589 Sat Feb 08 2020 01:50 PM
Joined: Sep 2019
Posts: 58
O
Wrench Fetcher
Brad - Thank you for posting that link. Very Nice~


1948 1/2 Ton 6-volt 216

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