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Originally Posted by Boxtaboy
Again, your original post implied that the objective for everyone should be to embrace the concept of less weight/rotational mass, but my point was that not everyone necessarily has that objective when sizing up. Some just want to size up for looks, or just want cheap larger looking wheels for asthetic reasons, which is why you see so many replica wheels out there. These type of consumers don't care if they lose a little performance by sizing up with heavier/larger wheels.
In addition, there are wheel companies like OZ and others that offer 18" lightweight wheels too. Just because you buy a larger lightweight wheel, you still have to pair it with the larger rubber, which also is heavier than the smaller sized tire, so you don't always end up on the better end with a larger set up, performance-wise. How many people do you see track their cars with 19" tires/wheels? In many cases, a smaller tire/wheel set up will yield faster track times vs. A large 19" set up. I also distinctly remember an article in Excellence on a Manthey Racing (sp?), prepped 996 with upgraded engine and suspension, and they specifically put 18" wheels/tires on the car because they said that the car performed optimally on 18s.
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It seems to me that the premise of this thread began with a question regarding wheel fitment. Subsequently, some members then engaged the topic of wheel size with respect to changes in performance. I reiterate, for those who are performance minded, the goal is to reduce unsprung weight and rotational mass. I understand that under certain racing or "track" applications, wheel and tire size are subject to great debate. However, at no point did I suggest that changing wheels for the sake of appearance was wrong provided that said wheels had the correct fitment . In fact, the only point that I stressed was that there was no way that an 11 inch wheel would ever fit 986 boxster. Lastly, other than the OZ wheel that you mentioned, I challenge you to name a few after market companies that offer a high quality 18 inch wheel that is strong, light weight and reliable and is designed specifically for a Porsche. I know of very few .