Originally Posted by MotorTrend
So what's the 370Z's secret? Simply put: Nissan turned to the tried-and-true sports-car formula of cutting weight, reducing size, and adding power. The Z diet from 350 to 370 included hacking 3.9 inches from the wheelbase, 2.7 inches from the overall length, and 0.3 inch from the height as well as replacing numerous steel pieces, namely, the doors, rear hatch, front suspension cradle, and hood reinforcements, with parts made from lighter aluminum. Nissan even managed to trim mass from the fuel tank and audio and exhaust systems. The net weight reduction, according to Nissan, is around 88 pounds, depending on trim, although our scales indicate the 370Z with the optional Sport Package (viscous limited-slip differential, 19-inch forged Rays wheels, Bridgestone tires, Akebono brakes, SynchroRev Match, front and rear spoilers, 0.29 Cd) weighs 12 pounds more than the Nismo 350Z. That said, our tester does represent enhanced equipment, i.e., larger (and heavier) tires and brakes, not to mention the more powerful 3.7-liter V-6, which, according to Z project manager Peter Bedrosian, "packs an additional 42 pounds compared with the 3.5-liter.
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