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#1 |
Registered User
Join Date: Feb 2008
Location: sacramento california
Posts: 204
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How low can be done with just shackles on leaf springs
Hi I have a 69 c20 with rear leaf springs and want lower ir at least 3”,
Can it be done? I know it might hit the bed floor but I could raise the floor since it needs to be replaced |
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#2 |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,964
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Re: How low can be done with just shackles on leaf springs
Shackles are typically 2" drop but they're available in varying drop/lift dimensions. It will depend on the manufacturer of the shackles used.
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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#3 |
Registered User
Join Date: Feb 2008
Location: sacramento california
Posts: 204
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Re: How low can be done with just shackles on leaf springs
Thanks, is there another way to lower the rear with out doing an axle flip?
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#4 |
Senior Member
![]() Join Date: Dec 1999
Location: Southern California
Posts: 2,802
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Re: How low can be done with just shackles on leaf springs
A 4" longer shackle will provide a 2" drop. The shackle may interfere with the bed. You can combine with a drop hanger in front of spring. With the 4" shackle a 4" higher front hanger would net a 4" drop. A 2" higher front hanger + a 4" shackle would net 3". Sorry do not have sources for you. Maybe out there with some searching. Easiest IMO is drop springs. You can find them if you look. Also there are several spring manufacturers that will build what you want. With drop springs you must take into account that your stock springs may have sagged over the years. A 4" spring may only net 3", which is what you want. Hope my input is of some help.
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Richard 1972 K10 Custom Deluxe SWB Fleetside My build https://67-72chevytrucks.com/vboard/...d.php?t=800746 |
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#5 |
Post Whore
![]() Join Date: Aug 2013
Location: anamosa iowa
Posts: 54,201
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Re: How low can be done with just shackles on leaf springs
You can remove the rivets on the front hangers, move them upward. Drilling a series of holes to go 1/1.5/2 inches or more and by trimming the hangers if the bed is hindering the move. maybe someone will show this w/pix. There are kits on EBAY that will sell the new hangers & shackles for a 4 inch drop. But that too may be customized by drilling holes to gain a 1" hanger-2" shackle for a 3" net. Grade 8 bolts should be used on those hangers regardless.
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#6 | |
Senior Member
![]() Join Date: Dec 1999
Location: Southern California
Posts: 2,802
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Re: How low can be done with just shackles on leaf springs
Quote:
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Richard 1972 K10 Custom Deluxe SWB Fleetside My build https://67-72chevytrucks.com/vboard/...d.php?t=800746 |
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#7 | |
Registered User
Join Date: Feb 2008
Location: sacramento california
Posts: 204
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Re: How low can be done with just shackles on leaf springs
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#8 |
Senior Member
![]() Join Date: Dec 1999
Location: Southern California
Posts: 2,802
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Re: How low can be done with just shackles on leaf springs
Another option is to have your stock springs de-arched. When I lowered my 94 extended cab I had stock springs de-arched 2" along with the flip kit for almost an 8" drop. I installed assist bags so I could still haul stuff. For this drop I had to do a custom notch in the frame. Because I knew I would return to the stock springs someday, I purchased a pair of springs from a wrecking yard for this purpose. Running my stock rear springs now with 2" blocks to level out the truck. Front is lifted 5" with spindles and 5/8" spring spacers.
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Richard 1972 K10 Custom Deluxe SWB Fleetside My build https://67-72chevytrucks.com/vboard/...d.php?t=800746 |
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