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#35054 02/19/2003 4:29 PM | Joined: Feb 2003 Posts: 10 Member | | Member Joined: Feb 2003 Posts: 10 | I was recently given a 51 1 ton panel, but the last owner had intended to rod the truck and at some point he threw away both axles, engine, tranny, etc. Since 1 ton trucks are scarce in this neck of the woods, I'm trying to figure out if 3/4 ton springs would fit/work under this beast (I want to go back stock). If anyone has any thoughts on this, or better yet has a 3/4 ton and would be willing to measure the length of the springs, it would be greatly appreciated. Thanks. | | |
#35055 02/19/2003 5:58 PM | Joined: Aug 2000 Posts: 587 Shop Shark | | Shop Shark Joined: Aug 2000 Posts: 587 | Get a GM restoration pack for that year, it will tell you the exact dimensions of the springs in question. | | |
#35056 02/19/2003 6:25 PM | Joined: May 2000 Posts: 234 Shop Shark | | Shop Shark Joined: May 2000 Posts: 234 | The 3/4 ton springs are identical in length to the 1/2 ton springs, but may/may not have more leafs. In fact, the whole 3/4 ton front axle is the same as the 1/2 ton, except the spindles and the 8 lugs. My gut feeling is the 1 ton is no different.
If you lived nearby, you could come by my house and pick up a 3/4 ton front end for free...
-Boyo
'48 Willys CJ-2A / '55.1 Chevy 3600 / '66 Austin-Healey 3000 / '04 Volvo wagon (parenthood!?)
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#35057 02/19/2003 8:24 PM | Joined: Jul 2002 Posts: 385 'Bolter | | 'Bolter Joined: Jul 2002 Posts: 385 | 1-ton springs are wider by 1/4" (at least they are on '54-'55.1). You might be able to use 3/4 ton underpinnings if you modify the spring shackles or add spacer bushings to the shackle pins, but I wouldn't trust that kind of modification to haul a load. | | |
#35058 02/20/2003 1:55 AM | Joined: Aug 2000 Posts: 587 Shop Shark | | Shop Shark Joined: Aug 2000 Posts: 587 | 1 ton springs are also longer by 2 inches and have a much higher load rating than the 3/4 ton truck springs. At least this is correct for 49. Get a free restoration pack. | | |
#35059 02/20/2003 3:08 AM | Joined: Jun 2000 Posts: 454 Shop Shark | | Shop Shark Joined: Jun 2000 Posts: 454 | To follow up on the previous posts, here are some specs:
FRONT SPRINGS
1/2 Ton - Semi-Elliptic
Length=38"
Width=1 3/4"
Thickness=1.896" (8 leaves)
3/4 Ton - 2-Stage Semi-Elliptic
Length=38"
Width=1 3/4"
Thickness=2.058" (8 leaves)
1 Ton - Semi-Elliptic
Length=39 13/16"
Width=2"
Thickness=2.037" (7 leaves)
REAR SPRINGS
1/2 Ton - Semi-Elliptic
Length=54"
Width=1 3/4"
Thickness=2.328" (8 leaves)
3/4 Ton - 2-stage Semi-Elliptic
Length=46"
Width=2"
Thickness=2.133" (7 leaves)
1 Ton - 2-stage Semi-Elliptic
Length=46"
Width=2"
Thickness=2.424" (8 leaves)
Jeff Nelson
"Beer is proof that God loves us and wants us to be happy." - Benjamin Franklin
"Always do right. This will gratify some people and astonish the rest." - Mark Twain
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#35060 02/20/2003 11:20 PM | Joined: Feb 2003 Posts: 10 Member | | Member Joined: Feb 2003 Posts: 10 | Thanks folks for all of the help. | | |
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