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Old May 16, 2012 | 12:04 AM
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Default solid axle swap

I know, it is what makes a vette special!! I would like info on a solid axle 4-link swap!!! 12 bolt and 9 inch rears all info i can get, car will be street driven, would like to hear how they ride on the street? 510 horses at the crank, turbo 400 trans. 3.08 gears
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Old May 16, 2012 | 12:52 AM
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Autofab is the best at this.
http://autofabcart.net/1968-1982corv...4-linkkit.aspx
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Old May 16, 2012 | 08:03 AM
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Originally Posted by jackdaddy
I know, it is what makes a vette special!! I would like info on a solid axle 4-link swap!!! 12 bolt and 9 inch rears all info i can get, car will be street driven, would like to hear how they ride on the street? 510 horses at the crank, turbo 400 trans. 3.08 gears

Special isn't the word I would have chosen to differentiate a Corvette with IRS to a comparable car with a solid rear axle. The biggest advantage I can think of is handling and a secondary concern is ride quality. The Corvette is already a little challenged with ride quality because it's tuned for handling and better cars often handle worse. When you throw in a solid rear axle you're making the ride quality worse and on top of that you're throwing your valued handling out the window. The IRS in a Corvette in stock form can handle the power you're talking about so that isn't the issue. If all the car does is a 1/4 mile sprint over and over then go for it. If the car gets driven on the street and goes around corners I recommend you rethink the solid rear axle swap or you may end up spending a lot of time and money for something that you'll very likely regret later.
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Old May 16, 2012 | 08:23 AM
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Originally Posted by Mark Riles
Special isn't the word I would have chosen to differentiate a Corvette with IRS to a comparable car with a solid rear axle. The biggest advantage I can think of is handling and a secondary concern is ride quality. The Corvette is already a little challenged with ride quality because it's tuned for handling and better cars often handle worse. When you throw in a solid rear axle you're making the ride quality worse and on top of that you're throwing your valued handling out the window. The IRS in a Corvette in stock form can handle the power you're talking about so that isn't the issue. If all the car does is a 1/4 mile sprint over and over then go for it. If the car gets driven on the street and goes around corners I recommend you rethink the solid rear axle swap or you may end up spending a lot of time and money for something that you'll very likely regret later.
Almost anyone in my experience who wants to replace IRS with a solid axle is usually interested in only going in a straight line.
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Old May 16, 2012 | 01:29 PM
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For me it is about applying large amounts of horse power and torque to pavement without breaking parts.
So the antiquated IRS really handles that much better then a properly setup 4 link?
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Old May 17, 2012 | 05:32 PM
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Me too! even with my beefed D-44 I'm nervous.
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Old May 18, 2012 | 05:42 AM
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Originally Posted by Clint's C3
Me too! even with my beefed D-44 I'm nervous.
Awesome picture!!
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Old May 24, 2012 | 08:51 PM
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Originally Posted by Mewn
Awesome picture!!

Thanks! This was before the steel bearing caps, Spicer U-Joints and trailing arm rebuild. I had 3.73 gears and stock everything else. Several have commented I was living on borrowed time.
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Built "Super 10 bolt" by Tracdogg2. 3.36 gears and all the goodies. 1.51-1.53 60's... Atleast 35 passes and 7k street miles... Still quiet as can be.

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