Porsche News
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- 8 Feb 2008
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Jeff Gamroth's factory Porsche 993 RSR running in Group 5 (Stuttgart Cup) at the 2011 Porsche Rennsport Reunion at Laguna Seca. Rothsport built 3.8L air-cooled engine with Rothsport custom slide valve injection holding its own against the monster turbocharged 962's and the modern water-cooled 996 Cup Cars.