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Porsche 997 GT3RS 3.9L 500hp SharkWerks Engine HQ - Car Videos on StreetFire
This clip follows the build of SharkWerks' 3.9L naturally aspirated 500hp GT3 engine. See it pull on the dyno, and watch driver Cort Wagner take it out to Willow Springs to see how all the work translates to on-track...