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05-27-2009, 05:28 PM
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#1 |
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Saving 1 truck at a time!
Join Date: Aug 2001
Location: Kent, WA
Posts: 6,465
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Longhorn Leaf Springs
PO had 2 of the 8 leafs pulled from each side of the truck when it was new due to an overly stiff ride. I am trying to replace them so I can haul a camper. I looked in the '68 GM Chassis Manual and could not find a C20 configuration, other than the coil set-up. I am now comparing my '68 to my '72 Longhorn which has only 7 springs per side but has the double stack with one spring on top, a spacer and some upper, frame mounted, spring stops. This is confusing. Anyone got a clue?
#1 - original springs removed from '68 #2 - '68 springs in truck #3 - '72 springs #4 - '72 springs
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'68 C20 Longhorn 50th Anniversary 400/TH400 '68 C20 Longhorn 50th Anniversary 468/TH400w/buckets '72 C20 Halfhorn (Longhorn w/o cab and front clip) '69 Flxible Cruiser (look up ugly in the dictionary) Last edited by stllookn; 05-27-2009 at 05:33 PM. |
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05-27-2009, 05:51 PM
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#2 |
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Registered User
Join Date: Dec 2006
Location: Porter Ranch, CA
Posts: 978
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Re: Longhorn Leaf Springs
I have the same stack as on your '68 (no 2nd pack). I have had over 3000 lbs in the bed and was at about 60% capacity. Are you sure you need more? Also, not to be nosey, but it looks like you need tires and new exhaust more than you need springs...
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05-27-2009, 05:54 PM
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#3 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: Longhorn Leaf Springs
the 72 has overloads, G80 if memory serves.
My one ton longhorn has the same set up. |
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05-27-2009, 07:10 PM
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#4 | |
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Saving 1 truck at a time!
Join Date: Aug 2001
Location: Kent, WA
Posts: 6,465
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Re: Longhorn Leaf Springs
Quote:
LHM...Thanks...I will just assemble the extras into the pack and call it good!
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'68 C20 Longhorn 50th Anniversary 400/TH400 '68 C20 Longhorn 50th Anniversary 468/TH400w/buckets '72 C20 Halfhorn (Longhorn w/o cab and front clip) '69 Flxible Cruiser (look up ugly in the dictionary) Last edited by stllookn; 05-27-2009 at 07:13 PM. |
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05-27-2009, 07:50 PM
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#5 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,728
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Re: Longhorn Leaf Springs
My 2x4 70 GMC Longhorn had 2 1/2" wide 52" eye-to-eye leafs. Those are the same as a 4x4 up to '91 except the 56" springs on Suburbans and some others. My other leaf spring 2x4 trucks (also both 70 GMC leaf spring trucks) had 2 1/4" wide springs.
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44 Willys MB 52 M38A1 64 Corvette Coupe 68 Camaro 'vert LT1 & TH700 69 Z/28 355 12.6's @110 69 Chevy Short Step 4 1/2"/7" drop 72 Jimmy 4WD 4spd 4" & 35's 02 GMC 2500HD 4x4 Duramax |
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