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82 rear leaf spring??

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Old Mar 17, 2012 | 06:15 PM
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Default 82 rear leaf spring??

My 82 has the mono leaf fiberglass rear spring, is that original?? Anyway it has a small crack on top of the arch. Should that be replaced right away??
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Old Mar 17, 2012 | 09:54 PM
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that was factory .take a pick of the crack .no crack is good but it may no be bad .show the pick to vansteel .
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Old Mar 19, 2012 | 08:53 AM
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In most cases cracks in composite springs propagate until the spring fails. It's not usually a catastrophic failure, but you definitely have to keep a very close eye on it. If it's making you nervous you can simply replace it. I've got steel and composite springs to fit that year, let me know if you've got questions.

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Old Mar 19, 2012 | 11:09 AM
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Well I looked at it again and it don't look like a crack but it looks like someone backed up into something.. It's on the edge and the fibers looks pushed in if that makes sense.
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Old Mar 19, 2012 | 02:44 PM
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I read somewhere that automatic 1981 Corvetts were the first year with the mono-leaf spring but the few manual cars they made still used the steel multi springs. No manual 1982's so I think they all had a mono leaf.
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Old Mar 19, 2012 | 02:48 PM
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Originally Posted by Greatsteaks
...I read somewhere that automatic 1981 Corvetts were the first year with the mono-leaf spring but the few manual cars they made still used the steel multi springs...
That is essentially correct. 81 AT got fiberglass springs provided the car was not ordered with the FE7. FE7 got a steel spring. 81 4 speed got steel.

All 82s have fiberglass springs.


Last edited by Easy Mike; Mar 19, 2012 at 02:50 PM.
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Old Mar 19, 2012 | 03:00 PM
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Originally Posted by Easy Mike
That is essentially correct. 81 AT got fiberglass springs provided the car was not ordered with the FE7. FE7 got a steel spring. 81 4 speed got steel.

All 82s have fiberglass springs.

Can someone tell us why the manual trans and the FE7 automatic used the steel spring instead of the fiberglass?
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Old Mar 19, 2012 | 03:13 PM
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Originally Posted by Greatsteaks
...Can someone tell us why the manual trans and the FE7 automatic used the steel spring instead of the fiberglass?...
The steel spring has a higher rate over the fiberglass. The FE7 is a little stiffer all around.

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Old Mar 20, 2012 | 06:11 PM
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82 with FE-7 have a steel spring also.
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Old Mar 20, 2012 | 07:00 PM
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Originally Posted by c3nashvette
82 with FE-7 have a steel spring also.
+1.
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Old Mar 23, 2012 | 12:28 AM
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Now for some reason my car sits up higher that normal in the rear, could it be because of that crack or whatever damage that was caused to it??
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Old Mar 23, 2012 | 10:08 AM
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Originally Posted by alconk
Now for some reason my car sits up higher that normal in the rear, could it be because of that crack or whatever damage that was caused to it??
Probably not. If you back off the spring bolt nuts, you will lower the rear.

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Old Mar 23, 2012 | 10:43 AM
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Originally Posted by Easy Mike
Probably not. If you back off the spring bolt nuts, you will lower the rear.

The outer bolts or the attaching bolts in the center?
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Old Mar 23, 2012 | 11:47 AM
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Originally Posted by alconk
The outer bolts or the attaching bolts in the center?
The spring bolts are the outers. You have a little bit of adjustment there. Do not back them off any further than the last slot for the cotter pin. Cotter pin has to be reinstalled and that is as far as you can take the stock bolts. If you don't get what you want with the stock bolts, you will have to order aftermarket longer spring bolts.

How high does your car sit? Are you sure it's ride heighth and not tires/wheels?

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Old Mar 23, 2012 | 12:04 PM
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Originally Posted by Easy Mike
The spring bolts are the outers. You have a little bit of adjustment there. Do not back them off any further than the last slot for the cotter pin. Cotter pin has to be reinstalled and that is as far as you can take the stock bolts. If you don't get what you want with the stock bolts, you will have to order aftermarket longer spring bolts.

How high does your car sit? Are you sure it's ride heighth and not tires/wheels?

Ya somewhere along the line someone told me that if you measure from the rocker moulding to the ground you should have 7" in the front and 7.3 in the rear. I have 6.75 in the front and over 9" in the rear. I have 4" between the rear tire and the body lip?? No air shocks either. Although the shocks are Gaberial, haven't seen those in years..
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Old Mar 23, 2012 | 02:22 PM
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The AIM has a page with a diagram showing you where to measure and what the dimensions should be at each point.

What size are your rear tires? A 4" gap is way too much.


Last edited by Easy Mike; Mar 23, 2012 at 02:25 PM.
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Old Mar 23, 2012 | 02:26 PM
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Originally Posted by Easy Mike
The AIM has a page with a diagram showing you where to measure and what the dimensions should be at each point.

What size are your rear tires? A 4" gap is way too much.

That's what I thought... 245/60/15 all the way around
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Old Mar 23, 2012 | 03:33 PM
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A 60 series tire is shorter than the stock 70 series so there would be a small difference between the two. It would not be enough to create a 4" space.

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Old Mar 23, 2012 | 05:37 PM
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Originally Posted by Easy Mike
A 60 series tire is shorter than the stock 70 series so there would be a small difference between the two. It would not be enough to create a 4" space.

I'll add a picture when I get home tonight so you can see how it is but when I compare it to others mine is diffinately higher.
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