Don Hanson wrote:  "there is another 'sharp'
> decrease in O2 somewhere around 13,000' but of course, no roads that high so
> N/A as far as engines are concerned."

Please see:

http://gocalifornia.about.com/cs/cocsprings/a/cocspringspike.htm

Yes Virginia, the Peak is really 14,115 feet high. The sign just hasn't caught up yet!.

Driving: The 38-mile round trip drive to the summit of Pikes Peak takes about two hours. The road is a toll road (2003 rates: $10 per adult, $5 per child or $35 per car).

David McNeely