Classic Engine Tech 1967 - 1981 Engine Related

? about shackle

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Old 06-02-2003, 10:58 AM
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? about shackle

I just put all new suspension on my 68 (mono-leafs). I want the back to set up about 1 to 2 inches higher. What is the best way to do this with out useing air shocks? If you say shackle extension will that effect the ride of the car?

Thanks,
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Old 06-02-2003, 08:49 PM
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My brother and I installed extended shackles on a 57 back when we were young and dumb. Felt like the Queen Mary going around a turn. Makes the rear suspension unstable as hell.
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Old 06-06-2003, 01:52 PM
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Shackles and the wedge for the springs(pinion angle). If you use poly bushings in the springs you won't have any suspension mushyness.
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Old 06-06-2003, 04:10 PM
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Well its too late now, but places like Year One carry modified mono-leafs that allow you to adjust the ride height (up or down) in 1/2 inch increments up to 2-inches.

This is much more desireable and doesn't sacrifice the ride quality.
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Old 06-07-2003, 01:09 PM
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An easy and fairly inexpensive way to raise the rear I found by accident is to get a set of South Side Machine Co. Lift Bars. They are pretty much just traction bars but when installed will raise the rear atleast 2". I got mine new from someone that decided to go with a tubbed rear but I believe that they can be had for around $130.

...Ron
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Old 06-07-2003, 02:43 PM
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i have an 81z28 and i shackled it and used poly bushings...i also have air shocks on it and as far as i can tell it rides the same...but then again i havn't drivin it very much...i raised it 1 3/4 and figured
the air shocks might stablize it also
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