2003-2004 Ford Mustang Cobra

Debuting in the spring of 2002, the 2003 Cobra came with a supercharged, 32-valve DOHC, 4.6-liter V8 engine rated at 390 hp (291 kW) and 390 lb·ft (530 N·m) of torque. In reality, these output numbers were closer to 430 hp (321 kW) and 425 lb·ft (576 N·m) of torque. Code-named “Terminator” by the SVT development crew led by John Coletti, numerous improvements were made to the powertrain and driveline to handle the power increase from the previous model’s set-up. A cast-iron block was used, instead of the previous Teksid aluminum unit, with stronger internals including forged Zolner pistons and Manley H-beam connecting rods that were modified with a wrist pin oiling hole by the SVT engineers. These upgrades were critical in order to support the 8 psi (0.55 bar) of boost delivered from the stock Eaton M-112 roots-type supercharger