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10-06-2010, 06:24 PM
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#1 |
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Registered User
Join Date: Sep 2010
Location: Norwell, MA
Posts: 10
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Leaf springs
New here, just picked up 68 GMC. Anyone make lowering leaf springs?
Thanks |
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10-06-2010, 06:30 PM
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#2 |
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Old Skool Club
 
Join Date: Jun 2001
Location: Benton, AR "The Heart of Arkansas"
Posts: 10,880
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Re: Leaf springs
 to the forum! Leaf springs are usually an issue because of the shackles/hangers. On these trucks, there's an issue with the width of the spring. Check out www.earlyclassic.com. Bell Tech is another that makes lowering components. There are vendors on here who sell what you need, too. Go to the home page and look for the vendor link.
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Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. |
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10-06-2010, 06:40 PM
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#3 |
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Registered User
Join Date: Sep 2010
Location: Norwell, MA
Posts: 10
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Re: Leaf springs
Thanks for the info!
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10-06-2010, 10:30 PM
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#4 |
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Registered User
Join Date: Nov 2009
Location: stoddard nh
Posts: 693
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Re: Leaf springs
how much u looking to lower? my buddy did a axle flip, put leafs from top to under the axle lowered...3-4inchs i think. this does require some welding, his was a 75' but i believe the set up is close to same, maybe something to consider
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1972 gmc c25 292/sm465 dana 60 w/5.13s 1973 vw super beetle 1600cc/4spd(baja bug) 1974 chevy c60 351v6/np-540+2 speed eaton rear 2005 chevy cobalt 2.2l |
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10-07-2010, 01:32 AM
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#5 |
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Registered User
Join Date: Oct 2009
Location: Minneapolis, MN
Posts: 40
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Re: Leaf springs
I have the lowered leafs and shackles from ECE on my '71 Chevy. Great product and not too difficult to install.
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~Zack '71 Chevy C10 LWB '01 Harley Softail |
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10-07-2010, 05:57 AM
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#6 |
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Registered User
Join Date: Sep 2010
Location: Norwell, MA
Posts: 10
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Re: Leaf springs
Thanks, all. My son's 96 GMC has a flipped axle, ride is poor, housing hits the frame often, without a load in bed.
The vendor on the homepage, POL, has a mono leaf spring w/ a 4 or 6 inch drop. I like the sound of that, nice and clean. At some point, I plan on installing a 572" or equivalent. Anyone had experience with these springs and hi-torque motor. New ride: |
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10-07-2010, 06:43 AM
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#7 |
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Registered User
Join Date: Nov 2009
Location: stoddard nh
Posts: 693
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Re: Leaf springs
wow that truck looks awesome! i haven't used those springs so cant say i know they offer them for muscle cars too so i guess they could handle some high hp.
__________________
1972 gmc c25 292/sm465 dana 60 w/5.13s 1973 vw super beetle 1600cc/4spd(baja bug) 1974 chevy c60 351v6/np-540+2 speed eaton rear 2005 chevy cobalt 2.2l |
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10-07-2010, 01:23 PM
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#8 |
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Old Skool Club
Join Date: Jun 2001
Location: Benton, AR "The Heart of Arkansas"
Posts: 10,880
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Re: Leaf springs
When the F-body Camaro came out for the '67 intro, it had a single-leaf spring on each side in the rear. Seems like the performance models got multi-leaf, but I wouldn't swear to it. I know that the Firebird had traction bars attached to keep the spring from wrapping-up, in the Sprint/HO 350 and the 400-engined bars. So, there has to be an issue with single-leaf springs and performance potential. Corvette also has used a single-leaf fiberglass spring.
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Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. |
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10-07-2010, 01:31 PM
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#9 |
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Account Suspended
Join Date: Nov 2008
Location: Peoria, IL
Posts: 179
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Re: Leaf springs
WHY!?!?!? Trade someone with 2wd coil overs! I'm tired of not being able to find any truck frames with 4x4 or 2wd rear leaf... its driving me loco!!!
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10-07-2010, 03:15 PM
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#10 | ||||
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,971
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Re: Leaf springs
I instaled 2" lowering shackles on my '72 GMC. Also removed the thick overload spring under the srpingpack. It was good for almost 3" or drop in the rear.
Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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10-07-2010, 03:52 PM
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#11 |
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Registered User
Join Date: Sep 2010
Location: Norwell, MA
Posts: 10
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Re: Leaf springs
The existing leaf springs have 9 leafs. They may be from a 3/4 ton. I was thinking of taking out bottom 4, then 2" drop shackles. Anyone with a 1/2 ton,
how many leafs is factory? (or is it leaves?) |
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11-16-2010, 02:31 PM
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#12 |
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Registered User
Join Date: Feb 2010
Location: Napa, CA
Posts: 519
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Re: Leaf springs
My 72 half ton has five and I'm pretty sure they are the originals. The leaf closest to the axle is a real fatty, the others are thinner.
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