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Old 04-06-2011, 04:55 PM
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Emission Emission is offline
Automotive Monomaniac
Location: North of Los Angeles, CA
Join Date: Dec 2001
Posts: 10,702
Mein Auto: Schnelle Autos
Originally Posted by pointandgo View Post
This may be OT for the car discussions......but 204 MPH might have exceeded the tire's speed rating unless they were "bracket" Y speed designation, and then certified for that speed by the tire mfgr. You checked? No need to take unnecessary risks!
Speed ratings are very complicated. I drove a Ferrari 599 at 205 mph, a McLaren SLR at 204 mph, and an Audi R8 V10 at 195 mph. In each case, the vehicles were above 186 mph (the tire speed rating "Y") for no more than 15 seconds - I just watched the video and timed it. The venue was a long airport runway. The P Zero tires were brand new (that morning), and the ambient temps were cold. Heat is the big enemy at that speed, not centrifugal force, so I was hardly worried.*

The story runs on Autoblog this Friday.

- Mike

(Note: That is not my lame open-face helmet I am holding in the picture below.)

* I was worried I was going to die... but more exited about going 200 mph than anything else.
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I am fortunate to have unique press cars delivered weekly, but I own:

'16 BMW X5 xDrive35i M Sport 8AT
'15 Volkswagen Golf TDI 6MT
'86 Porsche 911 Turbo 4MT

Gone, but never forgotten... my E70 X5 35d, E90 335i, E46 330i, E36 328i, E70 X5 3.0si, E53 X5 3.0i.
Read my work as Editor-in-Chief for Autoweb and Autobytel!

Last edited by Emission; 04-06-2011 at 05:01 PM. Reason: I lied.
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