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1981 Porsche 911SC - Auction - Pittsburgh, Pennsylvania - This 1981 Porsche 911SC is a modified coupe that was built as a demo car byKraftwerks Performance of Marengo, Ohio in 2010 and acquired by the sellerthrough a BaT auctionin January 2018.Power is provided by a 3.0L flat-six equipped withJE pistons and ported heads and paired with an upgraded 5-speed