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#1 |
"Ochre Ogre"
Join Date: Apr 2000
Location: Springfield, MN
Posts: 3,558
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Need info on front leaf springs 72 4x4 K20
Does anybody have the specs on front leaf springs handy? Maybe a part number you may have ordered. I found one of my springs broken at the front eye, left side. I am not looking for any additional lift at this time.
I would like the dimensions to make sure I am getting the correct set. eye to eye, width, weight capacity for a normal replacement spring. And if I have to find something used, what years are interchangable, 69-72 or 71-72? I need to order them in the morning so any help is appreciated! ![]()
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Bowtie Truck Stop Inc. Mid-West GM Truck Restoration Parts Supplier Your Key Parts, Auto Metal Direct, Dynacorn, and Goodmark dealer. like us @ www.facebook.com/BowtieTruckStop 1971 C-10 Suburban (Ochre) 1971 K-10 Suburban (Ochre) 1972 C-10 Suburban (Ochre) 1972 K-20 Suburban (Yellow- that just aint right!) Springfield, Minnesota 56087 |
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#2 |
Registered User
Join Date: Jan 2003
Location: Central MN
Posts: 88
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According to my Hollander manual, the 64-66, 67, 68, 69-71, 72 and 73-76 are all different.
67 is 22 x 26 x 1 1/8" (encased rubber bushings and all two leaf but 3 different weights) 68 is 22 x 26 x 1 1/8" (different rubber bushings but 2 or 3 leaf) 69-71 is 22 x 22 x 1 1/8" (same bushings as '68 and 2 or 3 leaf) For '72 it's 22 x 22 x 1 1/8" (2 or 3 leaf) The wierd part is that it shows the dimensions ecactly the same but it also says they do NOT interchange. Have no idea why. It only lists '72 jimmy, '72 chev and GMC conv. cab trucks as interchange. then '73 up is 23 1/2 x 23 1/2 x 1 1/8"
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'68 GMC 1500 LWB Fleetside w/350 & 3 spd (for now) |
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#3 |
Senior Member
![]() Join Date: Mar 2003
Location: Colfax-California
Posts: 8,553
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I've always been able to swap the springs from 68 to 72 The only difference I have seen is 2 or 3 leaf but even traded and swapped because of exactly what you are up against.
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#4 | |
Registered User
Join Date: Dec 2010
Location: Kernersville, NC
Posts: 31
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Re: Need info on front leaf springs 72 4x4 K20
Quote:
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#5 |
All about them K’s
![]() Join Date: Jun 2014
Location: Land of Entrapment
Posts: 6,392
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Re: Need info on front leaf springs 72 4x4 K20
I can’t say for sure for the fronts but I know for sure the rears are a different width on 67-68 k-trucks. The front lengths are the same all thru the 67-72 years.
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Tyler '57 3100 http://67-72chevytrucks.com/vboard/s...d.php?t=813888 '72 K20 Cheyenne: 5” lift, 35’s, front dana 60 blah blah blah… http://67-72chevytrucks.com/vboard/s...d.php?t=662879 ‘69 K10 SWB: 4” lift 33”s… in a million pieces http://67-72chevytrucks.com/vboard/s...d.php?t=805206 '98 Silverado LT K2500HD ECLB Vortec 454/4l80E: 6" lift 315/75/16's |
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#6 |
Registered User
![]() Join Date: Feb 2000
Location: Maquoketa, Ia/ Orr, Mn
Posts: 3,016
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Re: Need info on front leaf springs 72 4x4 K20
Here is what Husky Spring offers for front springs
https://huskyspring.com/Home/SearchResultGrid 2.5" wide, 44" overall (22x22), 2 or 3 leaf, 1" thick for 2 leaf pack, 1 5/16" thick for 3 leaf pack
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'51 South Bend Model "9A" '56 Chevy 3600 NAPCO '74 Chevy Cheyenne Super K20-restored on 37's '72 GMC Sierra Custom K2500- in progress '08 GMC Envoy Denali '12 GMC Sierra 2500HD Denali '17 GMC Yukon XL VCCA member #58596 http://www.nohrco.com |
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