[Rich Biebel]

No prep is a good name for the old days Ed. Asphalt, no traction compound of any kind. The only thing ever used was rosin during match races or maybe something poured down during a burnout by hi powered cars. Only track I know of that was concrete was Suffolk Virginia. Asphalt was fine in cooler temps but not good when it got hot. Anyone can look at pictures from the old days and see cars spin enough that smoke trailed the slicks on any stick car with even moderate hp.