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12-20-2003, 10:38 PM | #1 |
Registered User
Join Date: Mar 2003
Location: Mabelvale, AR
Posts: 695
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question on rear suspension swap
I have a 84 1/2 ton suburban and am thinking of putting a set of 20 series rear leaf springs on my rear. I pull a lot of heavy trailers and it seems to ride too low in the rear for me.
1. What do I need to perform this? 2. Can I use my rear axle I have now, or do I also need to get the rear axle from a 20 series vehicle? Any help would be appreciated. Thanks Tommy Davis
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junkyardpartseeker@sbcglobal.net |
12-21-2003, 12:11 AM | #2 |
Robert Olson Transport
Join Date: Oct 2002
Location: recent transplant to NC USA
Posts: 20,310
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I just did that on my 1976 i took leaves off a 20 series suburban and swapped them onto my C 10 pickup.
Its alot easier of the bed is off cause i used the shackles from the 3/4 ton springs. what i did is i used the U bolts off the 3/4 ton truck and the metal braces they used fromt he 3/4 ton too. youll have to bend down the bar where the rubber brake line sits so it dont pull it apart and i bought new shocks for the 3/4 ton truck and used them it rudes fine and gives ya several inches of lift in the rear
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Bob 1951 International running on a squarebody chassis "If a man's worth is judged by the people he associates himself with, then i am the richest man in the world knowing some of the fine people of this board" http://67-72chevytrucks.com/vboard/a...t.php?f=25&a=9 (you can review the site rules here!) PM Me for your vehicle/parts hauling needs in the North East US or see my Facebook page Robert Olson Transport Live each day to the fullest.. you never know when fate is going to pull the rug out from under you... I hate cancer!! |
12-21-2003, 12:18 AM | #3 |
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Join Date: Mar 2003
Location: Mabelvale, AR
Posts: 695
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suspension
Ok, so I just need the springs and U bolts from a 3/4 ton. Not the rear axle.
And shocks rated for the 3/4 ton. Are the end eye holes the same distance apart, or each different. I have read other posts of ppl talking about the distance. Tommy
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junkyardpartseeker@sbcglobal.net |
12-21-2003, 12:27 AM | #4 |
Account Suspended
Join Date: Mar 2003
Location: ** THE FALL GUY **CHICAGO IL
Posts: 5,883
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install air ride bags....they make a compressor kit too.
i have it on my truck....for hauling garage doors... i can raise and lower while driving....add air for more load and remove air for light loads..... they kick butt..... the whole kit cost about 350.00.... rides like a dream |
12-21-2003, 01:41 AM | #5 |
Right turn Clyde
Join Date: Nov 2002
Location: Cincinnati, Ohio
Posts: 2,911
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I think your thinking about the difference between 3/4 and 1 ton. On the 1 ton rears the spring perches are in closer to the center chunk a little. Im thinking maybe about an inch but that's just a guesstament. The 1 tons are the frames are narrower. The 3/4 tons have the same spring perch locations as the 1/2 tons.
Not to have you spend more money or anything. But would it be better to get a 3/4 rear setup? I guess this will depend on the weight of the trailers. Im guessing you have a 10 bolt rear. I was thinking if this might be a weak link for hauling or not. Edit: I misread that question. On trucks there are two different spring lengths. One is 52in which was in a lot of 1/2 tons and 56in witch was heavier duty leafsprings that could be ordered on 1/2 tons. Im pretty sure that the 56in leafsprings are standard on 3/4 and 1 tons and optional on 1/2 tons. Suburbans might be different Im not sure.
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1974 C25 LWB: 454 4bbl Carb / TH400 / 3.73 1992 Camaro RS 305 TBI Last edited by MylilBowTie; 12-21-2003 at 01:48 AM. |
12-21-2003, 01:42 AM | #6 |
Account Suspended
Join Date: Oct 2002
Location: Elkhart, IN
Posts: 6,399
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dang mark, you never mentioned that you bagged your truck before...
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