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      03-01-2011, 09:56 AM   #23
creepy coupe
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Not sure where you got the ZCP weights from but



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      03-01-2011, 10:02 AM   #24
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..........good grief. There is way too much good bourbon to be drunk to worry about this.
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      03-01-2011, 10:10 AM   #25
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Originally Posted by creepy coupe View Post
Not sure where you got the ZCP weights from but



I got it from another thread on here. Weird that people are finding different weights.
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      03-01-2011, 10:14 AM   #26
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Originally Posted by MVF4Rrider View Post
Not necessarily. X mm more wheel width doesn't = X mm more rubber width as tires have tread with varying "block" widths of rubber, especially when comparing different tire types. Are the tires different sized in OEM applications? Plus, wider rubber could mean more grip at the point of inertia, but it turns into more rolling resistance at speed.
You make an excellent point. Years ago I was speaking with a rep from Ruf and he told me that when speed was the goal, they used thinner tires because of less rolling resistance. The wider tires improved handling, but not speed.
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      03-01-2011, 10:15 AM   #27
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You make an excellent point. Years ago I was speaking with a rep from Ruf and he told me that when speed was the goal, they used thinner tires because of less rolling resistance. The wider tires improved handling, but not speed.
Norrower tyres also produce less wind resistance
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      03-01-2011, 10:18 AM   #28
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Originally Posted by mrkhanna16 View Post
They are wider. Therefore better grip. Therefore faster.
Contact patch area size is a result of tire pressure/sidewall stiffness and car weight. Wider or narrower tire has no effect on the size just shape of the contact patch. Generally wider tires will have a wide contact patch that will aid cornering and hurt braking and acceleration.
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