427 Camaro Z11 from Dale Chevrolet, Dales Dusters?

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First time post here guys, so bear with me. Just saw this posted over at the Pace Car site. Shows a ad from Dale Chevrolet in Waukesha Wisconsin building "Dale Dusters", 427 equipped Camaro's, Chevelles', and Novas'. I have never heard of these SuperCars from Dales, the "Dale's Dusters" Just wondering if anyone here has heard of them. The ad states Dale's was Wisconsin's largest Corvette dealer. Also suggests a 427 equipped Z11 pace car. Maybe this is common knowledge, I just never heard of them before. Don't know how to post a photo, but here is a link to the ad. http://camaropacecars.com/eve/forums...235#1750097235