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Classic Mustangs Tech Forum

Technical discussions specific to 1964-1967, 1968-1970, and 1971-1973 Classic Mustang. Discuss all tech related to in-line six cylinder and V8 powered Vintage Mustangs here.

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Unread 07-23-2007   #1 (permalink)
C2sc is offline Apprentice

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Default 1966 Mustang Get Rid Of Sag, Longer Rear Shackles?

Hey guys,
Lots of nice progress is happening with the 66 mustang. I'm planning on getting new rear leafs, but it won't be for a month or two. I took out the rear shackle as a template, but I want to make longer rear shackles to raise the rear end to take out the sag and even raise the rear end say 1" max.

Now, the question lies, if I make the shackle say 1.5" longer then stock (3/4 to rid sag and 3/4 to raise up), would that be the actual result? Or would it be less since the geometry of the spring would be diff. The only reason I ask this question, is b/c I remember 4x4s doing this, and (if i remember correctly) it was never a 1:1 ratio.

Any input? Anybody have a set of aftermarket ones that take up sag or raise it a little?

Thanks
Nate
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Unread 07-24-2007   #2 (permalink)
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I just put new leafs in my 68 and that alone raised it about 3/4 of inch. I also added new shackles I bought them from autozone for $13 dollars they are adjustable but I used the shortest holes and it looks perfect.
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Unread 07-24-2007   #3 (permalink)
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Quote:
Originally Posted by Anderman View Post
I just put new leafs in my 68 and that alone raised it about 3/4 of inch. I also added new shackles I bought them from autozone for $13 dollars they are adjustable but I used the shortest holes and it looks perfect.
no autozone in canada. Post some pics
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Unread 07-24-2007   #4 (permalink)
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On my '66' Ranchero, I took the springs apart, epoxy enamel painted them and took them to the local spring shop where they re-arched them and put them back together with new spring interpads and clips for under $50 a couple of years ago. Looks great.
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Unread 07-26-2007   #5 (permalink)
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About 15-years ago I picked up longer shackles fairly cheap at the auto parts store to get a little more lift in the rear because it was a bit low. (Several years later I ended up just getting new springs but used the same shackles which are still on there. They are a bit unsightly because they protrude down past the rear valence.)
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