leaf spring lowering - The 1947 - Present Chevrolet & GMC Truck Message Board Network

theo70 · 02-25-2003, 07:32 PM

I need some advice on how to lower the rearend of my 1970 SWB fleet. I want to go about 4", but the leaf spring is above the axle. A flip kit would drop it about 5 or 6, and I don't want to C-section just yet. Are there shackle and hanger kits for this app?

any help is appreciated
theo70

my new 72 · 02-25-2003, 07:56 PM

You can buy new 4" lowered leafs for a few hundred bucks. It's the way I went and it's as easy as can be.

crazy longhorn · 02-25-2003, 08:04 PM

2nd that, probably the slickest way to go would be a dropped leaf. They do have shackles kits, but i havent seen a front hanger kit for the 67-72..........crazyL

HotRod929 · 02-25-2003, 08:05 PM

Will thoes drop rear leafs fit on a 1970 C20 Custom Camper LWB? Cus I want to drop my truck as well. THanks

HotRod

my new 72 · 02-25-2003, 08:44 PM

They should. Give the guys at ECE a call, they'll hook you up.

special70gmc · 02-25-2003, 09:08 PM

no the leafs won fit a c20 i tried to get em but ECE told me the hangers are different ans so is the space between the axle and hangers.

HotRod929 · 02-25-2003, 09:12 PM

That kind of stinks. How bout if you swapped in C10 hangers? Would the drop leafs then work?

HotRod

HotRod929 · 02-26-2003, 03:47 AM

anyone???

Project1970 · 02-26-2003, 04:03 AM

You could always go get the leaves re-arched...

Aren't the C20 leaves 2.5" wide instead of 2.25"? I wonder if you could use '73-'87 leaves...

HotRod929 · 02-26-2003, 04:10 AM

Yes that would be nice to be able to use 73-up springs. Also where could I get my springs dearched here in MA? And how much would they cost get dearched?

HotRod

special70gmc · 02-26-2003, 08:42 AM

the c20 springs are 2.25 but they still wont fit maybe you can swap hangers tho good thing to try out they cant cost much to get ahold of you know

72MARIO · 02-26-2003, 09:57 AM

Any spring shop will do it I paid 20 bucks per side any drop you want.

HotRod929 · 02-26-2003, 01:00 PM

Are the hangers the part that attach to the front of the spring (closest to the front of truck) and schackles attach to the rear of the spring right? What is so different about the C10 vs C20 hangers? Thanks for the info guys

HotRod

mastx · 02-26-2003, 04:30 PM

I found a place called www.performancesuspension.com that has lowering shackles for about $40. They claim they fit our trucks but I havent purchased or heard of anyone who has used them. They only give you a 2" drop, but you may try this in conjunction with something else to give you the drop you want.

Mario

02-25-2003, 07:32 PM	#1
theo70 COMING SOON... Join Date: Feb 2003 Location: Ft Worth TX Posts: 406	leaf spring lowering I need some advice on how to lower the rearend of my 1970 SWB fleet. I want to go about 4", but the leaf spring is above the axle. A flip kit would drop it about 5 or 6, and I don't want to C-section just yet. Are there shackle and hanger kits for this app? any help is appreciated theo70

02-25-2003, 07:56 PM	#2
my new 72 faster, faster, faster Join Date: Dec 2001 Location: Houston ,Texas ,USA Posts: 1,354	You can buy new 4" lowered leafs for a few hundred bucks. It's the way I went and it's as easy as can be. __________________ I'm going to Law School, wanna debate? It's good practice.

02-25-2003, 08:04 PM	#3
crazy longhorn Fabricate till you "puke" Join Date: Jun 2002 Location: Ill Posts: 9,402	2nd that, probably the slickest way to go would be a dropped leaf. They do have shackles kits, but i havent seen a front hanger kit for the 67-72..........crazyL __________________ 69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears....

02-25-2003, 08:05 PM	#4
HotRod929 Registered User Join Date: Mar 2002 Location: Bondurant, IA but in Worcester, MA for school Posts: 767	Will thoes drop rear leafs fit on a 1970 C20 Custom Camper LWB? Cus I want to drop my truck as well. THanks HotRod __________________ 1970 Chevy C-20 350 V-8 Turbo 350 w/ shift kit Dana 60 w/ 4.10 gears AND Powr-Loc POSI New Additions: Summit Headers 135amp alternator Proform HEI Edelbrock 1406 600cfm carb Sunpro Tach Powr-Loc POSI Edelbrock Performer RPM Intake MSD 6A Ignition Box AIM: HotRod929 Visit My Site: http://1970chevy.netfirms.com/

02-25-2003, 08:44 PM	#5
my new 72 faster, faster, faster Join Date: Dec 2001 Location: Houston ,Texas ,USA Posts: 1,354	They should. Give the guys at ECE a call, they'll hook you up. __________________ I'm going to Law School, wanna debate? It's good practice.

02-25-2003, 09:08 PM	#6
special70gmc Registered User Join Date: Sep 2002 Location: long island, new york Posts: 1,333	no the leafs won fit a c20 i tried to get em but ECE told me the hangers are different ans so is the space between the axle and hangers. __________________ 1986 c-10 swb 5/7 drop 20'' coys 1958 belair 2door

02-25-2003, 09:12 PM	#7
HotRod929 Registered User Join Date: Mar 2002 Location: Bondurant, IA but in Worcester, MA for school Posts: 767	That kind of stinks. How bout if you swapped in C10 hangers? Would the drop leafs then work? HotRod __________________ 1970 Chevy C-20 350 V-8 Turbo 350 w/ shift kit Dana 60 w/ 4.10 gears AND Powr-Loc POSI New Additions: Summit Headers 135amp alternator Proform HEI Edelbrock 1406 600cfm carb Sunpro Tach Powr-Loc POSI Edelbrock Performer RPM Intake MSD 6A Ignition Box AIM: HotRod929 Visit My Site: http://1970chevy.netfirms.com/

02-26-2003, 03:47 AM	#8
HotRod929 Registered User Join Date: Mar 2002 Location: Bondurant, IA but in Worcester, MA for school Posts: 767	anyone??? __________________ 1970 Chevy C-20 350 V-8 Turbo 350 w/ shift kit Dana 60 w/ 4.10 gears AND Powr-Loc POSI New Additions: Summit Headers 135amp alternator Proform HEI Edelbrock 1406 600cfm carb Sunpro Tach Powr-Loc POSI Edelbrock Performer RPM Intake MSD 6A Ignition Box AIM: HotRod929 Visit My Site: http://1970chevy.netfirms.com/

02-26-2003, 04:03 AM	#9
Project1970 14.1 @ 96MPH Join Date: Jul 2001 Location: Mesa, AZ Posts: 2,811	You could always go get the leaves re-arched... Aren't the C20 leaves 2.5" wide instead of 2.25"? I wonder if you could use '73-'87 leaves... __________________ Project1970 - LS1 Swap Complete!

02-26-2003, 04:10 AM	#10
HotRod929 Registered User Join Date: Mar 2002 Location: Bondurant, IA but in Worcester, MA for school Posts: 767	Yes that would be nice to be able to use 73-up springs. Also where could I get my springs dearched here in MA? And how much would they cost get dearched? HotRod __________________ 1970 Chevy C-20 350 V-8 Turbo 350 w/ shift kit Dana 60 w/ 4.10 gears AND Powr-Loc POSI New Additions: Summit Headers 135amp alternator Proform HEI Edelbrock 1406 600cfm carb Sunpro Tach Powr-Loc POSI Edelbrock Performer RPM Intake MSD 6A Ignition Box AIM: HotRod929 Visit My Site: http://1970chevy.netfirms.com/

02-26-2003, 08:42 AM	#11
special70gmc Registered User Join Date: Sep 2002 Location: long island, new york Posts: 1,333	the c20 springs are 2.25 but they still wont fit maybe you can swap hangers tho good thing to try out they cant cost much to get ahold of you know __________________ 1986 c-10 swb 5/7 drop 20'' coys 1958 belair 2door

02-26-2003, 09:57 AM	#12
72MARIO Registered User Join Date: Nov 2000 Location: Huntsville Ontario Canada Posts: 4,051	Any spring shop will do it I paid 20 bucks per side any drop you want. __________________ 1968 Suburban numbers matching all original truck now equipped with 6.0/4L80 on Accuair http://67-72chevytrucks.com/vboard/s...d.php?t=625017 1967 C/20 6.0/4L80 Roofing Truck 1990 V2500 Suburban "Plow Truck" 2005 TAHOE DD

02-26-2003, 01:00 PM	#13
HotRod929 Registered User Join Date: Mar 2002 Location: Bondurant, IA but in Worcester, MA for school Posts: 767	Are the hangers the part that attach to the front of the spring (closest to the front of truck) and schackles attach to the rear of the spring right? What is so different about the C10 vs C20 hangers? Thanks for the info guys HotRod __________________ 1970 Chevy C-20 350 V-8 Turbo 350 w/ shift kit Dana 60 w/ 4.10 gears AND Powr-Loc POSI New Additions: Summit Headers 135amp alternator Proform HEI Edelbrock 1406 600cfm carb Sunpro Tach Powr-Loc POSI Edelbrock Performer RPM Intake MSD 6A Ignition Box AIM: HotRod929 Visit My Site: http://1970chevy.netfirms.com/

02-26-2003, 04:30 PM	#14
mastx Registered User Join Date: Oct 2001 Location: Luling, Texas Posts: 61	I found a place called www.performancesuspension.com that has lowering shackles for about $40. They claim they fit our trucks but I havent purchased or heard of anyone who has used them. They only give you a 2" drop, but you may try this in conjunction with something else to give you the drop you want. Mario __________________ Mario A. Santos marioasantos@hotmail.com Luling, Texas 1970 C/20 (in slow progress) 1971 Custom Camper Longhorn



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