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Cobra R's
cobra r race configuration for rear end
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<blockquote data-quote="tomshep" data-source="post: 16121460" data-attributes="member: 8203"><p>It depends on the class, but most cars that raced were in a stock-based class. In my case for IMSA, Motorola Cup, Professional Sports Car and a couple others the class required a stock diff using stock attachment points. Gears had to be 3.27 stock as equipped from the factory but you could change the limited slip. Most cars got 8.8 lockers. Coil-overs weren't allowed but you could use stock-type springs with weight jacks (screws that would let you adjust the load/height on the springs). Originally, the stock arms were required but you could use poly bushings. Later, they approved aftermarket uppers and lowers with poly. Currently, mine has Steeda aluminum upper and lower. 3 links, watts link and torque arms weren't allowed. Not sure on panhard bars. OEM brakes were used.</p><p></p><p>Tom</p></blockquote><p></p>
[QUOTE="tomshep, post: 16121460, member: 8203"] It depends on the class, but most cars that raced were in a stock-based class. In my case for IMSA, Motorola Cup, Professional Sports Car and a couple others the class required a stock diff using stock attachment points. Gears had to be 3.27 stock as equipped from the factory but you could change the limited slip. Most cars got 8.8 lockers. Coil-overs weren't allowed but you could use stock-type springs with weight jacks (screws that would let you adjust the load/height on the springs). Originally, the stock arms were required but you could use poly bushings. Later, they approved aftermarket uppers and lowers with poly. Currently, mine has Steeda aluminum upper and lower. 3 links, watts link and torque arms weren't allowed. Not sure on panhard bars. OEM brakes were used. Tom [/QUOTE]
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