C4 Corvette Suspension Upgrade | Aldan American
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Explosive C4/h4>
The C4 Corvette was state of the art for its time. With fiberglass transverse leaf springs and aluminum A-arms front and back, it was a technological leap forward for the Corvette platform. Today, these cars offer a great bang for the buck with supreme affordability and solid performance.
Aldan American’s engineering team realized how great these cars are and decided that this Corvette platform deserved a redo through the addition of Aldan American’s high tech coil over shock system. Best of all, the Aldan American Road Comp kit requires no special tools to install, no cutting or fabrication of the factory suspension and results in greatly improved handling for these aging performance vehicles.
The original C4 Corvette was introduced in 1984 and ceased production in 1996 before launching the C5 Corvettes beginning in 1997. The Aldan American coil over kit fits C4 platform vehicles beginning in 1988 through the 1996 model (they do not fit the ZR1 Corvettes offered starting in 1991 or any electronics active suspension equipped cars).
Like all Aldan American kits, the suspension can be adjusted to maintain the factory ride height however most performance fans, looking to reduce the roll center of the vehicle for better cornering capability will look to lower the car up to its maximum of two inches. It should be noted that when lowering your vehicle, make sure that your tires do not contact the bodywork at any point including while braking, accelerating or cornering.
To demonstrate the Aldan American C4 Corvette kit, they used a 1993 model Corvette equipped with standard suspension and a manual transmission. The Aldan American kit works with any transmission offered from 1988-1996. The Corvette was in excellent condition and all suspension parts appeared to be original with the exception of the aftermarket Bilstein shocks. It should be noted that the original transverse fiberglass leaf springs are removed – front and rear – during this upgrade, the Aldan American coil over shocks featuring a specially tuned springs that wrap around the adjustable center shock. It should also be noted that Aldan American offers a number of finishes, our choice for today’s install are the polished coilovers.
Aldan American shock systems come in two forms – single or double adjustable – dependent on the requirements of the car owner. Changing the compression (single adjustable) or rebound (double adjustable) configuration simply requires a turn of the knobs located at either end of the shock. For this system there are 11 positions of adjustment for rebound (top knob) and six for compression. Turning either knob will reduce or increase rebound or compression respectively.
Ride height adjustment can be changed by using the Aldan-supplied wrench which will rotates the spring collar either up or down on the threaded shock body. A set-screw locks the collar in place and keeps your ride height setting in place. This system allows for setting ride height with extreme accuracy.
Follow along here as Aldan installs a set of very cool, very high tech Aldan American coil overs on their very cool yellow C4 Corvette.
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Aldan American |
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(310) 834-7478 |
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2675 Temple Ave |
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Signal Hill, CA 90755 |
ABOUT Aldan American®
Established in 1981, Aldan American is the professional’s choice for high-quality performance shock absorbers, coilovers, and suspension products designed for racing, street-performance, and vehicle-specific applications. Aldan products are designed, tested, and made in the U.S.A. Aldan American is a team of automotive enthusiasts who specialize in suspension performance. From the first-time builder to the professional racer, Aldan American is ready to help you achieve your suspension goals.
