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12-17-2023, 11:45 AM
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#1 |
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Registered User
 
Join Date: Apr 2017
Location: Knoxville, Tennessee
Posts: 892
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Leaf Springs on K25
I posted this in the suspension section and got crickets…
Leaf spring width question: A while ago I ordered new FRONT leaf springs for my 1969 K2500 from Rock Auto. Now that the weather is turning bad, I was starting to get around to installing them. They appear to be the same part number from multiple vendors. They’re Husky Springs 22-384 aka Dorman 22-384. They’re a three leaf pack and the ones on my truck are only 2 leaves. But the 22-384s are narrower at the eyes. The ones on my truck are 3 1/2” at the front eye and like 3 1/4 at the rear eye. The replacement springs are significantly narrower across the leaf, i.e., 2 1/2 inches. Has anyone installed these on their 3/4 ton 4WD? I’m not sure sure about the width? Thoughts?
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1969 GMC K25 2007 Chevy 2500HD Classic Duramax 1999 Tahoe 2DR 4WD Base Model 5.7l Last edited by Hotcorner; 12-17-2023 at 12:02 PM. |
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12-28-2023, 02:13 PM
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#2 |
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Registered User
Join Date: Dec 2019
Location: Janesville, IA
Posts: 20
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Re: Leaf Springs on K25
I have a 68 k25 and a 71 k20. Both of them have 2.5 inch wide springs in the front.
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12-29-2023, 09:38 AM
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#3 |
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Special Order
  
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,863
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Re: Leaf Springs on K25
That '68 came with the wider springs. In '70 the springs went to a narrower width. Guys use spacers at the spring eyes to make the later springs work on the earlier trucks
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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12-29-2023, 10:03 AM
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#4 |
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Registered User
Join Date: Dec 2019
Location: Janesville, IA
Posts: 20
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Re: Leaf Springs on K25
Are you sure. I think the chances that a old boy changed front springs to be unlikely. Now the rears are definitely longer and wider. Not arguing just saying.
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12-29-2023, 10:32 AM
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#5 |
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Senior Member
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,391
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Re: Leaf Springs on K25
Completely normal. The springs should have come with bushings and sleeves to make up the difference in width
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12-30-2023, 10:18 PM
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#6 | |
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Registered User
Join Date: Apr 2017
Location: Knoxville, Tennessee
Posts: 892
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Re: Leaf Springs on K25
Quote:
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1969 GMC K25 2007 Chevy 2500HD Classic Duramax 1999 Tahoe 2DR 4WD Base Model 5.7l |
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12-30-2023, 11:32 PM
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#7 |
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Junior Member
Join Date: May 2022
Location: Northern Colorado
Posts: 33
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Re: Leaf Springs on K25
This is the bushing kit (Energy Suspension 3.2112G) I used for the new springs on my truck. Offroad Design has some good info here https://www.offroaddesign.com/front-...gm-trucks.html.
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1972 K20 350/350/205 D44 14B "Old Ochre" 2005 2500HD CCSB LS LQ4 4L80E Silver Birch 2006 2500HD CCSB LT LQ4 4L80E Silver Birch |
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12-31-2023, 12:39 AM
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#8 | |
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Registered User
Join Date: Apr 2017
Location: Knoxville, Tennessee
Posts: 892
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Re: Leaf Springs on K25
Quote:
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1969 GMC K25 2007 Chevy 2500HD Classic Duramax 1999 Tahoe 2DR 4WD Base Model 5.7l |
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