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A friend of the company got his Viper GTSR Competition Coup earlier this year. The wheels were made of magnesium and were ultra light as well as other parts of the car. Even with the tires on the wheels, you could play a game of catch with them. I don't expect to see much magnesium in the C6 any but I wouldn't be surprised if magnesium was used in the C6R. Actually, I expect it.
Mag is a wonderful weight savings. But I have seen several fires during the machining of mag parts by machinists with 10-15 years experiance with the metal. It does not like friction, it WILL flame on you.
With the exception of wheels, I think Carbonfiber would be a better solution for all of the items you listed. It's even lighter, and doesn't flame up on you like Mg does.
hey we can get carbon fiber half shafts for our C3s and those take some force on them so why not make rims from fiber, looks a bit wierd but all black rims and tires might be worth it, mmm 1 pound rims.
I don't think Carbon Fiber would be as effective for valve covers as Mg would. Mg is much cheaper and would probably weigh the same as CF in a valve cover application since the CF would have to be thick where the bolts go thru on the mounting surface.
Carbon Fiber has resin in it right? Will the resin maintain shape long term when exposed to the engine heat that valve covers would see? I don't recall ever seeing CF valvecovers on any racing or production engine. Have I just missed something?
CF would be a great soluntion to save weight many places in the car, but manufacturing costs and quality issues must be resolved first. If they have done that already (Comm. Ed. hood) then look for expanded use throughout the car. But I'm not sure about the VCovers.
Designer Imagines A Corvette That Looks More Like a Corvette Than the Corvette
Slideshow: A Jaguar designer's personal project imagines what a modern front-engined Corvette might look like if Chevrolet revisited the golden age of the Stingray.