While our car came with drum brakes, we thought we could get away with mildly modified 11-inch brakes from a Mustang GT or Shelby. Our expert advisor, Curt Vogt from Cobra Automotive, essentially told us we were nuts if we thought we were going to race an early Mustang on stock disc brakes.
He offers a big-brake kit, though, that’s both track-proven and period-correct. It uses 12-inch vented rotors as well as four-piston Kelsey-Hayes calipers. The Bud Moore Trans-Am Boss 302 Mustangs of 1969 and ’70 used this setup, he tells us. This setup also fits inside a 15-inch wheel.
Unlike the commercially available big-brake kits from companies like Wilwood, he continues, this one is also legal for HSR and SVRA competition. This kit sells for $2095.95.
The Cobra Automotive 12-inch competition brake kit comes with two-piece hat/rotor assemblies. The hats are formed in lightweight aluminum, while the rotors are ventilated to better put up with the torture of road racing.
Installation of the kit was very straight forward, and the kit even came with race pads. Our home tracks include Sebring, Daytona and Road Atlanta, so soon we’ll know if we have enough brakes.
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