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Help with rear lift springs for a 74 Ramcharger
#2589581
12/09/18 09:34 PM
12/09/18 09:34 PM
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Joined: Jan 2003
Posts: 5,783 Corpus Christi, TX
shanker
OP
master
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OP
master
Joined: Jan 2003
Posts: 5,783
Corpus Christi, TX
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Backstory: I'm in the home stretch of swapping axles in from a First Gen Cummins truck (Dana 60 / 70 Combo with 3.54 gears).
Thanks for the advice on the Skyjacker 1.5" - 2.5" Softride Leaf Springs for the front. Now that I've got those installed and the front of the truck sitting on it's own weight, I've got the rear sitting on jackstands to level the truck and measure how much lift required to level it off.
It appears I'll need 4.75" of effective rear lift to make it sit level. My goal is to level it WITHOUT sacrificing ride quality.
The truck still has the OE rear springs and blocks between the axle & springs. I'm thinking If I go with the Skyjacker DR40S (4-6" rear lift springs). and perhaps front Hangar's from Jungle over on RCC, I can then fine tune the height with a custom spring shackle and perhaps even get rid of the factory lift block.
Once all that's done, I can get some measurements and figure out if or how much the driveshafts need to be modified to bolt them up.
Last edited by shanker; 12/09/18 09:36 PM.
The Federal Government has not yet learned that you cannot legislate morality
1970 Coronet R/T FF4/FF8/V85/V1G 440/Auto/3.23
1970 Coronet R/T FK5/FK5/V8W/V1W 440/Auto/3.55
1970 Super Bee TX9/TX9/V8W/N96 383/Auto/3.91
1975 Duster 360 VS29L5 Daily Driver
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Re: Help with rear lift springs for a 74 Ramcharger
[Re: shanker]
#2598881
12/30/18 06:04 PM
12/30/18 06:04 PM
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Joined: Jan 2003
Posts: 5,783 Corpus Christi, TX
shanker
OP
master
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OP
master
Joined: Jan 2003
Posts: 5,783
Corpus Christi, TX
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I ended up buying all new Hangers from Jungle Fabrication and I'm going to install 56" replacement springs designed for a 1987 3/4 Ton Suburban. Since I'm putting the hangers on, I can put the axle wherever I want it at this point.
It's turned into more of a project than I anticipated swapping to 1 ton axles, but the end result should be great (I'm hoping)
The Federal Government has not yet learned that you cannot legislate morality
1970 Coronet R/T FF4/FF8/V85/V1G 440/Auto/3.23
1970 Coronet R/T FK5/FK5/V8W/V1W 440/Auto/3.55
1970 Super Bee TX9/TX9/V8W/N96 383/Auto/3.91
1975 Duster 360 VS29L5 Daily Driver
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