2006 Roush Mustang Vs 2005 Z51 Corvette Roush Modified
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A 4.6-liter Mustang GT engine that features a Roush supercharger (with 4-5 psi of boost) powers the Roush Stage 3. Horsepower rating is 415, though we measured 391.29 at the wheels on a Dynojet (we did not dyno test the Chevy). The blown Ford also makes 385 lb-ft of torque, but it has to move nearly 400 more pounds down the racetrack than the Vette. View Related Article
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