And even if you find a glass roof GT500 from that model year, it will cost a little ... 557 lb-ft at the engine, again considerably more than the factory numbers. While a dyno run isn’t the ...

Using a 12.3-liter V16 engine with four massive turbochargers, the powerplant went on an engine dyno where it laid down 4,515 hp. That’s not quite 5,000 you say, but that’s because the engine ...