C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Damaged Front Leaf Spring

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Old Apr 25, 2019 | 09:51 PM
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Default Damaged Front Leaf Spring



Hello everyone. I am in the process of disassembling my front suspension to lower the front of my 1986 C4. I took the spring out and noticed it was cracked in this spot. I am assuming this means the spring is toast due to it being fiberglass, but I wanted to know if there is any way to repair the spring? I highly doubt it but I didn't know if somebody may have a method. Secondly, how does this type of damage occur? The car handled fine before I took it apart, and I don't think I could have caused this type of damage anytime in the disassembly process. The car only has around 80k miles. Lastly, where can you find replacement front springs for a 1984-1987 Corvette? I cannot seem to find them anywhere. Thanks in advance.

Last edited by LucasMc22; Apr 25, 2019 at 09:54 PM.
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Old Apr 25, 2019 | 10:14 PM
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there are 2 on ebay. One soft, one heavy duty.
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Old Apr 25, 2019 | 10:19 PM
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It cant be fixed
hard to say how it happened, maybe improper jacking at some point
Find a good used one either here on the sale section or one of the many used parts suppliers

Youll need to see what code is on the spring to match it. My 86 had a small metal plate attached to it with the numbers on it..
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Old Apr 25, 2019 | 10:32 PM
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belairbrain, Do you have a link you could share? How much are they? Needs to be an 84-87 spring.

81c3, Didn't think so, just wanted to make sure. How could I have jacked it improperly, just out of curiosity? I only jacked up the control arm, never the spring itself. I posted in the for sale section, haven't gotten any responses yet. I'll have to look some more.
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Old Apr 25, 2019 | 10:35 PM
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Originally Posted by LucasMc22
belairbrain, Do you have a link you could share? How much are they? Needs to be an 84-87 spring.

81c3, Didn't think so, just wanted to make sure. How could I have jacked it improperly, just out of curiosity? I only jacked up the control arm, never the spring itself. I posted in the for sale section, haven't gotten any responses yet. I'll have to look some more.
Not saying it was you.... have you owned the car its entire existence?
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Old Apr 25, 2019 | 10:40 PM
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No, bought the car 6 years ago. First owner was a GM executive, second owner had it since the early 90's.
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Old Aug 26, 2019 | 05:11 PM
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It appears that for the front springs are no longer made by HyperCo anymore and the only option would be used.
Are there any lower cost options for coil-overs. it seems $2500 is steep price is there a ?995 option anywhere for all 4
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Old Aug 27, 2019 | 01:37 AM
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im not sure what type of driving u do but id just put it back in.
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Old Aug 27, 2019 | 08:48 AM
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People gonna cringe when they read this but

When I lowered my car my spring looked just like yours. I put it back in, have driven 10,000 miles since then with more than a few trips into triple digits.

My daddy always told me living life on the edge was the fastest way to being a country boy
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Old Aug 27, 2019 | 01:14 PM
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My question would be is the damage in an area that is easy to see?

If so, I would really continue to drive as normal and just look at it every so often. As small as that damage is, and considering the matrix of how the springs are laid up during manufacturing, chances are slim to none that you would suffer a sudden catastrophic failure based on that small patch of de-lam.

If you track the car..... then I would be more inclined to replace it.

My car is a driver, so I would run it and monitor it. If it makes you nervous.... replace it. Peace of mind is priceless.

Jared
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