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Kenne Bell 2011 Mustang Supercharger Test - Mammoth Gains
Kenne Bell Boosts The 2011 Ford Mustang's Coyote 5.0 For Huge Power
Because we prodded Kenne Bell into letting us take an early look at its Coyote kit, this article reflects early low-boost information. So, despite how Jim Bell opened our interview, we'll be back for more boost and tuning tips, including some huge power numbers. Given the airflow-happy Coyote engine, and what looks like an average of about 20 hp per pound of boost at this point, it's going to be a wildly fun ride.
Driving Impression Jim Bell was kind enough to turn us loose in his red '11 GT automatic test mule. Fitted with the standard kit pullied to 8 pounds of boost and tuned enough to start, run at wide open throttle, and that's about it, our goal was simply to sample the Coyote/Kenne Bell combination as a preliminary check.
It's fast. No joke-pulling out onto the street and rolling swiftly into the throttle had us talking out-loud to ourselves, "This is how a blown V-8 is supposed to feel!" There's a big, grin-inducing torque hit anywhere on the tach, followed by excellent pull to the fuel shut-off. Heavy as the Kenne Bell blower kit is, it seems to magically take hundreds of pounds off the car when you have your foot in it. We didn't have time to evaluate the car in turns, but the extra weight up high must be noticeable to the sensitive driver.
Romp the throttle from a standing start and be prepared for generous tire spin; she lights 'em up right now thanks to all that instant torque. The same easy power is a great match for the automatic transmission. Hit the gas and it downshifts one gear, then gets out of Dodge. With a manual, there's less need to shift due to the torque, and there's absolutely no need for steep rear-axle gearing. Stock 3.31s are fine.
Noise is not a factor. If you know what you're listening for, you might pick up the faintest gear grrrr during idle or maybe cruising, but for any practical purpose, the KB is silent. While making boost there is a slight scream, but the long intake tube muffles that to the-people-next-door status. Exhaust noise gets amped up with boost-which is all part of the fun with stock mufflers-and rowdy with aftermarket mufflers, so you might want to take that into consideration if you're trying for stealth status.