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Here's Top Gear's cure for their idiot dyno test that proved nothing. As much as we love Top Gear, their derision of the GT500 for producing a "mere" 447 horespower on a chassis dyno is pure BS. A 10-percent loss through the drivetrain is stellar, yet the spin from our snarky British friends was that it was somehow subpar. Kenne Bell has the antidote, and it's available in several stages of tune, from streetable to antisocial.
Since the GT500 is factory-equipped with a supercharger, the engine internals have been beefed up for boost, and a water to air intercooler is in place. The Kenne Bell system replaces the stock Eaton blower with its trademark Twin Screw system. The throttle body is also upsized to 75 millimeters versus the stock 60, but the rest of the intake tract remains stock. Rounding out the Stage 1 tuning is an ECU flash, and the end result is 606 horsepower at the rear wheels. Take that, Hamster and Clarkson! Changing out a few other intake components and fiddling with the drive pulley's diameter will net you Stage 2 or 3 tuning, delivering up to 692 horsepower on the rollers. Maybe this kit will serve to quiet some of the carping from the Top Gear pundits, but we think they just don't understand muscle cars. It's a different flavor of performance, that's for sure, and the Kenne Bell upgrades add even more spice.
Thanks for the tip, Drew
[Source: Mustang Life]