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> The spoilers that actually work on > street cars are the ones that are sticking up into the air stream away from the > body of the car, like the basket handle you see on the new Supra, or have Can I mount one on the roof of my Squareback? Wait, then it would not fit into the garage at my work... :-) > acceleration because they wouldn't be hauling around the weight of the shell. A > Fastback has a better coefficient of drag than a Squareback as the sloping rear > roof line doesn't create as sudden pressure drop, thus reducing the amount of > suction (drag) applied to the rear. The squared butt is NOT an improvement in > aerodynamics. All right, that settles it. I'm renting a wind tunnel. Does anyone live in the San Francisco Bay Area? Maybe we can drive through some fog as a substitute... Ok, seriously now, the rear of the Square is not a square box, it's sloped too, so I'm not sure the difference in slope would result in a measurable gap in either drag coefficient or top speed between the 2 T3s. Bye, Everett Barnes ebus@ebus.simplenet.com 1965 Squareback "S"uper Transporter site: http://ebus.simplenet.com/Volkswagen