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Published on Jul 8, 2011
Ford 428 Cobra Jet with dual quads. Stroked to 462 cubes with a Survival Motorsports "Prison Break" 4.250 stroked kit. Hydraulic roller cam with .598 lift. Compression at 10.8:1, running factory iron 428CJ heads with modest port work and bigger valves. Pump premium 93 octane unleaded.
Engine made 543 horsepower at 5600RPM and 561 torque with a dead flat torque band from 4000 to 4800. Idles with a nice chop at 800.
No drama. No computer generated dream numbers. No unsubstantiated claims. No hype. Just plain old gut wrenching FE horsepower from the guys that do these engines every day.