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02-06-2016, 01:54 PM
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#1 |
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Registered User
Join Date: Nov 2010
Location: Alabama
Posts: 741
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2 or 3 Leaf Front Springs?
I've been looking at ordering factory replacement front leaf springs for my 72 k5 and I've seen springs with 2 and 3 leaf offered. Which is correct, and is there a need for the 3 leaf pack? Thanks
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02-06-2016, 05:17 PM
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#2 |
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Registered User
Join Date: Jan 2015
Location: Los Angeles California
Posts: 928
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Re: 2 or 3 Leaf Front Springs?
3 leaf packs are HD from the factory and give a slight lift
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02-14-2016, 02:44 AM
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#3 |
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Registered User
Join Date: Jan 2010
Location: Loveland, CO
Posts: 1,921
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Re: 2 or 3 Leaf Front Springs?
Not sure which is correct for a K5, I'm sure they could've come with either from factory. If you have a big block or a heavy front bumper with a winch then the 3 leaf might be better. If not I'd recommend sticking with the 2 leaf since they will ride slightly better.
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Zach 1970 Chevrolet Custom Camper K20 1971 GMC Super K2500, 12V/NV4500 swap in progress 1971 Chevrolet Custom C10 1972 Chevrolet Custom Deluxe C20, 5.3/4L60E 1972 Oldsmobile Cutlass Supreme, 455/TH400, 3.73 posi 2004 GMC Sierra 2500HD, LB7/Allison, CCSB 2005 GMC Sierra 1500, 5.3/4L60E, CCSB |
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02-14-2016, 02:46 AM
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#4 |
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Registered User
Join Date: Sep 2013
Location: Vacaville CA
Posts: 490
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Re: 2 or 3 Leaf Front Springs?
Different animal, but relevant: My stock 77 K10 had 2-leaf. Local spring builder made a very nice tapered 3-leaf that leveled the truck and rode way better.
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02-14-2016, 12:40 PM
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#5 |
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user # 2756
 
Join Date: Jun 2001
Location: Chesapeake, Virginia
Posts: 4,612
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Re: 2 or 3 Leaf Front Springs?
My K5 and K25 both had 2 leaf, the CUCV axles I have gotten and my son's 86 CUCV all have 3 leaf fronts.
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1970 K25, 8' stepside bed 350/465/205 44 up front, 60 in the rear 4.10s rolling on 33" Dunlop MTs 1986 K5, 350/465/208 Dana 60/14 bolt from a cucv 36" Super Swampers TSL/SX 1983 K20 w/ CUCV axles, 350/700R4/208 sitting on 37" Goodyears 1986 M1031 6.2 diesel, TH400/NP205 locker in the rear and a LS in the front, all stock for now..... 1986 K30, 350/400/205 dana 60 and 14 bolt. I kept the drivetrain. Body/bad and chassis are gone. 1981 K30, 350/465/205 dana 60 and dually 14 bolt. Has a G80, and a flat bed. Going to replace the flat bed. 1985 K20, 350/400/208 10 bolt and SF 14 bolt. I wonder where I can find some 1 tons. Hmmmmm 
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02-14-2016, 03:58 PM
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#6 |
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Registered User
Join Date: Sep 2013
Location: Vacaville CA
Posts: 490
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Re: 2 or 3 Leaf Front Springs?
Also, I always thought the stock negative arch that many of the GM 2-leaves came with... rode horribly. If you can get a little positive arch I feel they ride much better, even if your final spring pack has a little higher spring rate.
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