In a message dated 9/5/2006 7:10:12 PM Eastern Daylight Time, brentcovey at hotmail.com writes: > Corvair van body is a trifle more > slippery perhaps than a standard vehicle of similar frontal area. Must be the Kamm effect of the rear end............... Bob Hall Group Corvair '64 Brier '65 Corsa 2 '68 Monzas