Randy and Dan, This is what I use and love.
C 26.5X8.0-15 GOODYEAR N 26.2 8.00 10.9 on 8.0 10 0 7.0 - 9.5 112.50
C 26.5X10.0-15 GOODYEAR N 26.7 10.00 11.9 on 10.0 10 0 8.5 - 11.0 124.50
Original size Cobra tires in SLICK tread design for serious track use only. Customer Satisfaction 10.
See "Cobra tires on this site:
http://www.rogerkrausracing.com/
For the street, I use the tires in group B and they are damn near as sticky as the slicks!
Cheers, Pete