Few Q's About Chevy Spring Swap Shackle Set Up.

2812 Views 8 Replies 3 Participants Last post by Mike, Mar 1, 2005

KStacoma

Discussion Starter · Mar 1, 2005

I have a 98 Reg. cab curently lifted about 3.5-4" in the rear. I have stock leaves w/a fabtech aal that sagged and a 1.25" block. I realize i need 63" chevy 1/2 ton springs from year 88-98, and I saw that CornfedSuspension makes a front hanger so the front is taken care of but for the rear i'm confused on what they mean by double shackle. In a sense it sounds like a revolver except the factory one just chills flat against the frame, therefore moving the rear bracket back so i dont have to chop it up and weld a new one, but what shackle do i add onto the factory one to make it a double? Do i get that 2" one they have on Cornfed? is that the one i'm supposed to add to the factory one, if so how much lift will that give me. I'd really like it to sit level like it is but it seems like it's a real picky deal. Thanks guys.

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Mike

· #4 · Mar 1, 2005

KStacoma said:
I have a 98 Reg. cab curently lifted about 3.5-4" in the rear. I have stock leaves w/a fabtech aal that sagged and a 1.25" block. I realize i need 63" chevy 1/2 ton springs from year 88-98, and I saw that CornfedSuspension makes a front hanger so the front is taken care of but for the rear i'm confused on what they mean by double shackle. In a sense it sounds like a revolver except the factory one just chills flat against the frame, therefore moving the rear bracket back so i dont have to chop it up and weld a new one, but what shackle do i add onto the factory one to make it a double? Do i get that 2" one they have on Cornfed? is that the one i'm supposed to add to the factory one, if so how much lift will that give me. I'd really like it to sit level like it is but it seems like it's a real picky deal. Thanks guys.

With '98 and up trucks you don't need to move the rear shackle hanger to fit Chevy springs.

Later,
....Mike

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Mike

· #9 · Mar 1, 2005

KStacoma said:
yeah but i have to add a longer shackle, other wise the axle wouldn't sit centered. I'm trying to figure out how long of a shackle to run etc. so that i can sit level w/my amount of lift.

Well, where you put the front spring hanger pretty much determines where the axle is centered. 7.5" forward is pretty close. The springs are pretty flat, so they aren't going to move the axle back under compression a whole lot.

Later,
....Mike

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