Huw Evans
August 1, 2008
Photos By: Drew Phillips

Jonathan Garcia had a problem. His latest project car-an '07 Mustang GT convertible built to showcase Magden Technologies' latest creation, the M1 performance computer-was suffering from a few maladies. Not the computer, mind you. The centrally mounted touch screen allows Garcia to monitor every facet of the car's functions, thanks to a pair of Exhaust Gas Temperature sensors, O2 sensors, a vacuum boost sensor, and an air intake charge temperature sensor. All he has to do is tap the screen to access and record the information he needs, without requiring 10 million gauges bolted to the top of the dash.

No, the problem was more mechanically based. The car had received an aftermarket cold-air intake system with a K&N filter; a MagnaCharger-intercooled, positive-displacement supercharger; and a Bassani exhaust, including long-tube headers, an x-style crossover system with high-flow cats, axle-back high-flow mufflers, and big 3-inch tips. As a result of these upgrades, the car was cranking 417 hp to the tires, but in First and Second gear, the factory clutch was starting to slip, and as the days went by got progressively worse. Magden's goal of completing this Mustang as a fully running and driving project vehicle to demonstrate the effectiveness of the M1 meant the car would find its way into the hands of lead-foot editors and the like for evaluation. A slipping clutch was bad; imagine what it would be like after a few journalists had been let loose in the GT.

So Garcia needed a solution-fast. He wanted to install a clutch with much-improved clamping force over stock but didn't want a heavy pedal feel, as all manner of folks would be driving the car, under all kinds of conditions, including heavy city traffic. After a bit of research, a call was placed to Midway Industries, a company known better under the name of its primary product, Centerforce.

From the looks of things, a Dual-Friction clutch appeared to be just what the doctor ordered, so one smoggy morning in Southern California, the Mustang was taken to N&J Auto in El Monte, where shop owner Jackson Fung and tech Leo Palomino got to work. What follows is a diary of how things progressed.

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