<ul><li>AMS Performance developed an 820-wheel-horsepower Nissan Z with bolt-on parts, achieving a 9.23-second quarter-mile time at 149 mph.</li><li>The car features an unopened engine and stock transmission, without nitrous, using upgraded turbochargers and a software tune.</li><li>The stock Z engine, a twin-turbocharged 3.0-liter V-6, originally makes 400-420 hp, handling the significant power increase impressively.</li><li>Despite slow initial sales, the Nissan Z has gained traction and surpassed the Supra in sales, offering power enthusiasts 800+ hp with bolt-on upgrades.</li></ul>

This Nissan Z Makes 820 Horsepower With Bolt-Ons

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