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03-02-2015, 07:35 PM
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#1 |
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Registered User
 Join Date: Nov 2014
Location: Gonzales, Louisiana 70737
Posts: 263
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C20 ride
 [/IMG]What's the best way to lower the rear of my truck? C20, leaf springs. Just to level with the front, and maybe ride a little smoother. Back is 2" higher than the front at the fender well. Last edited by Layne; 03-02-2015 at 07:36 PM. Reason: Add |
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04-09-2015, 11:00 PM
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#2 |
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Registered User
Join Date: Nov 2014
Location: Gonzales, Louisiana 70737
Posts: 263
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Re: C20 ride
Bump
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04-09-2015, 11:54 PM
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#3 |
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Registered User
Join Date: Jul 2009
Location: San Jose Ca
Posts: 2,871
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Re: C20 ride
Pair of lowering hangers or shackles.
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David Used parts build: http://67-72chevytrucks.com/vboard/s...d.php?t=638991 My brother's Nova: http://www.67-72chevytrucks.com/vboa...d.php?t=727985 Rear suspension rework: http://www.67-72chevytrucks.com/vboa...d.php?t=750557 Instagram: myfabguy |
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04-10-2015, 07:41 AM
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#4 |
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Registered User
Join Date: Jun 2006
Location: Indiana
Posts: 4,859
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Re: C20 ride
As said, lowering shackles is about the only good way to lower a leaf spring truck 2 inches.
FYI: 2 inch rake was the factory stance. Congratulations. Your truck is was not beat to death hauling heavy loads. And it looks to be in great shape to me.
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'70 GMC C1500 LWB Power disc brakes. WooHoo! Posi 6 Lug Dana 60 |
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04-10-2015, 09:59 PM
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#5 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,727
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Re: C20 ride
ECE 2 1/4" wide spring lowering shackles. Did that on my C20 and was very happy with it. There are two holes and I used the one that lowered it less. Sat very level with my car hauler hooked up to it then.
If you use the other hole you may have to trim one of the bed supports. This is an easy and good way to do this.
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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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04-11-2015, 11:33 PM
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#6 |
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Registered User
 
Join Date: Jun 2006
Location: Maple Valley, WA
Posts: 1,913
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Re: C20 ride
I too will be dropping my 3/4 ton GMC that way. I have the overloads but don't really need them, if I remove them but keep the overload shocks will it handle the same amount of load as if I had the overload springs with regular shocks?
Sorry to ask a question within a question.
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Custom Painter/Restoration Specialist 1965 GMC 3/4 Ton LB SOLD? 1964 Chevy El Camino in full restoration 1991 Chevy S10 288K+ miles 2nd Owner SOLD 2020 RAM 1500 Warlock |
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04-12-2015, 02:28 PM
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#7 |
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Registered User
Join Date: Dec 1999
Location: Austin, TX, USA
Posts: 7,727
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Re: C20 ride
Shocks won't make much difference IME. If you aren't planning on 1000# plus in the bed then you can probably get away without running the overloads. Conside removing the overloads, doing the shackle, and adding some load leveling air bags.
__________________
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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04-12-2015, 04:12 PM
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#8 |
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Registered User
Join Date: Jul 2009
Location: San Jose Ca
Posts: 2,871
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Re: C20 ride
I dropped the rear of my C20 with drop shackles/hangers and removed my overload and 2 leafs. It rode amazingly better. The 3 springs I removed gave me 2 inches of drop. It's an option for you but will lower your towing capacity.
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David Used parts build: http://67-72chevytrucks.com/vboard/s...d.php?t=638991 My brother's Nova: http://www.67-72chevytrucks.com/vboa...d.php?t=727985 Rear suspension rework: http://www.67-72chevytrucks.com/vboa...d.php?t=750557 Instagram: myfabguy |
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04-12-2015, 07:06 PM
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#9 |
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Registered User
Join Date: Aug 2014
Location: Honolulu
Posts: 57
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Re: C20 ride
Tiny,
How many springs did your truck have before you removed the 3 springs? Thanks |
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04-12-2015, 08:10 PM
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#10 |
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Registered User
Join Date: Jul 2009
Location: San Jose Ca
Posts: 2,871
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Re: C20 ride
8 or 9. I never intended on using it as a truck but with the 5 springs I still have I could still do the usual truck stuff like helping people move etc.
__________________
David Used parts build: http://67-72chevytrucks.com/vboard/s...d.php?t=638991 My brother's Nova: http://www.67-72chevytrucks.com/vboa...d.php?t=727985 Rear suspension rework: http://www.67-72chevytrucks.com/vboa...d.php?t=750557 Instagram: myfabguy |
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04-12-2015, 08:22 PM
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#11 |
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Registered User
Join Date: Aug 2014
Location: Honolulu
Posts: 57
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Re: C20 ride
Tiny,
Thanks, was that the original springs? My GMC 2500 has only 5 and the overload spring. I wonder if my springs were changed by the PO. Thanks |
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04-12-2015, 08:36 PM
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#12 |
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Registered User
Join Date: Jul 2009
Location: San Jose Ca
Posts: 2,871
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Re: C20 ride
Yeah this was stock:
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David Used parts build: http://67-72chevytrucks.com/vboard/s...d.php?t=638991 My brother's Nova: http://www.67-72chevytrucks.com/vboa...d.php?t=727985 Rear suspension rework: http://www.67-72chevytrucks.com/vboa...d.php?t=750557 Instagram: myfabguy |
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04-12-2015, 11:41 PM
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#13 |
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Registered User
Join Date: Jun 2006
Location: Maple Valley, WA
Posts: 1,913
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Re: C20 ride
Great info thanks guys!
It will lower it enough for me.
__________________
Custom Painter/Restoration Specialist 1965 GMC 3/4 Ton LB SOLD? 1964 Chevy El Camino in full restoration 1991 Chevy S10 288K+ miles 2nd Owner SOLD 2020 RAM 1500 Warlock |
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