The 454ci LS5 big-block V8 was factory-rated at 365 horsepower with 460 lb-ft of torque when new.The four-speed manual transmission routes power to the rear wheels, and received new seals concurrent with the 2007 engine rebuild.The three-spoke steering wheel frames a 160-mph speedometer, a tachometer with a 5,600-rpm redline, and a five-digit odometer showing 87k miles, actual mileage is unknown.