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Old 02-03-2019, 02:44 AM   #1
72longstepper
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'72 Rear leaf springs question

Found a site that offers a great price but here are my concern(s). I have a LWB which, from research has 127" wheel base. Original springs are 2-!//4" wide. Offering's online for the most part (5/1) are 2-!/2" wide in addition to the length being 26"/26" and my original being 28"/24" to center. So do I have to stay with original 2-1/4" wide springs? Does going to 2-1/2" open a "can of worms" in regards to replacing shackles etc. etc.? Does the 26/26 to center eliminate the 2-1/2" wide springs anyway?
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Old 02-03-2019, 02:54 AM   #2
KQQL IT
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Re: '72 Rear leaf springs question

Squarebody springs are 2.5 wide I think.
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Old 02-03-2019, 02:59 AM   #3
kwmech
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Re: '72 Rear leaf springs question

Yes you see worms, the 2.5'' springs will require new frame hangers. What's wrong with the current springs?
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Old 02-03-2019, 03:46 AM   #4
PepperTreeGarage
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Re: '72 Rear leaf springs question

Did a quick search and found these: https://www.sdtrucksprings.com/index...oducts_id=9624

I have a '72 Custom Camper and I just reconditioned them. It was a 5/1 and now is a 4/1, getting the stance just right. Here's a few pics of the process. Good Luck.
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Old 02-03-2019, 03:48 AM   #5
PepperTreeGarage
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Re: '72 Rear leaf springs question

Rest of the pics.
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Old 02-03-2019, 10:11 AM   #6
72longstepper
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Re: '72 Rear leaf springs question

They look great--. TY for info. Did u buy new u-bolts and bushings as shown and that is enough? My springs are no longer "lined up" and my neighbor says they are worn out because of this? I have spent a lot buying new parts and if a spring is a spring I will do what you did. Going to a 4/1 makes it sit lower I would assume. Is that correct? I am an old fart and have no interest in drop spindles or flip kits but I am doing front and rear sway bars. My GTO and Vetts went down the road long ago just looking to make this a cruiser I emailed a local shop to see how much to recondition but no reply back.

Last edited by 72longstepper; 02-03-2019 at 10:28 AM.
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Old 02-03-2019, 10:30 AM   #7
72longstepper
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Re: '72 Rear leaf springs question

Thanks again for taking time to answer my numerous questions. At 70 years old I find myself rambling on sometimes.
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Old 02-08-2019, 08:38 PM   #8
72longstepper
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Re: '72 Rear leaf springs question

SB253 or 319 on the bushings?
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Old 02-06-2019, 12:14 AM   #9
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Re: '72 Rear leaf springs question

Thanks guys, the photos are a great help! Leaf spring work is on my list too, so I'll keep watching for progress, and yea, love the long stepper!
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Old 02-06-2019, 10:59 AM   #10
Snake72
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Re: '72 Rear leaf springs question

My '72 c10 had several broken springs so I opted to buy new replacements from General Spring. Took a few measurements and spent about $450 for the springs, shackles, pads, saddles and U bolts. Comparing to the old springs they were identical in every way and fit perfect. If your springs aren't broken I would just refurbish them, easy to do, but if you do want new 2 1/4" springs then check that website.
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