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I highly doubt any GT-R will be able to lap the ring at 7:35, even the top spec Evo version. Just because a prototype did it doesnt mean the production car will. At a similar weight to the SLR, the GT-R lacks 150 hp. Its irrational to think of it hustling around in 7:35. Whatever time the 911 turbo has on the ring, will be much more similar to the GT-Rs potential time.