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

C4 Spring Applications

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Old Mar 29, 2007 | 04:43 PM
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Default C4 Spring Applications

Can anyone tell me if there is a model year break down that different springs from different model C4s will not fit? I'm aware of the different base and Z51 spring rates, but am curious if all model years (1984-1996) are interchangable.

Thank you for any assistance you may offer.

kvette89
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Old Mar 29, 2007 | 04:55 PM
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1984 - 1996 Suspension Chart, Courtesy Hib Halverson

The rear springs interchange across all years. Front springs fall into
two generations: 84-87 and 88-96, I believe.

.
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Old Mar 29, 2007 | 04:59 PM
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Default Thank you

Thank you for the information. The chart is a great reference.

Thanks again.
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Old Mar 29, 2007 | 05:06 PM
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At least one member has stated several times that there are some
discrepancies in the chart, but these have not been detailed
anywhere to the best of my recollection.

It is good enough for my purposes.

.
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Old Mar 29, 2007 | 06:16 PM
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Originally Posted by Slalom4me
The rear springs interchange across all years. Front springs fall into two generations: 84-87 and 88-96.


Originally Posted by Slalom4me
At least one member has stated several times that there are some discrepancies in the chart.
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Old Sep 5, 2020 | 08:56 PM
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Default Spring question

Originally Posted by Slalom4me
At least one member has stated several times that there are some
discrepancies in the chart, but these have not been detailed
anywhere to the best of my recollection.

It is good enough for my purposes.

.
Great referance chart, but one issue I caught. Base model 1984 has a stiffer rear spring than the front spring just doesn't quite click. And a question ... does anyone know the spring rate for a spring with code BMA?
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