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      06-30-2009, 11:07 AM   #34
lucid
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Drives: E30 M3; Expedition
Join Date: Apr 2007
Location: USA

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Quote:
Originally Posted by Ron************ View Post
Lucid - not true there are some great wheels -at some reasonable price. But light and strong are definitely possible, just depends on how they are made. Keeping the price down is a whole other issue.

Anyway I know of a wheel - same thats going on the KW M3 Race car. Just can't discuss it right now. So if you guys are looking for some PM or give me a call and I'll let you guys know on a great available option coming soon.
A cast wheel is cheaper to manufacture than a forged wheel. Take two very well engineered/optimized wheels--one cast, one forged. The forged wheel will have superior weight/strength ratio and will cost more. Not sure what part of that you are disagreeing with as that is pretty straight forward.

That doesn't mean there aren't relatively inexpensive cast wheels that are relatively strong. TR Motorsport wheels do not seem to fall under that category though for instance as there are now multiple reports of bent wheels on the track (rough track surface, minor trip to the lawn, etc). I am sure you can find well made cast wheels that one might see on a race car. Aren't Advan RS wheels cast for instance? However, they aren't exactly cheap at $2.5+ a set, plus they can't be as strong as a well made forged wheel at comparable weight.

Are there a set of 18x10 cast wheels that weight 19lb each (add the spacer weights if the offsets are off) and cost ~$1.5k and won't get bent on the track by going off or catching a bad bump? And what about overall stiffness and elastic deformation under high cornering loads?

With the exception of bling motivated marketing and purchasing, I don't see how you wouldn't be getting what you pay for in general when buying quality wheels.
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