During The Beast\'s 36 years, it has had 4 engines - an old 327cid, a 1964 Vette 327 cid high performance, a Chevy 350 cid/350 hp, by RHS of Nashville, Tennessee, and currently a Chevy 383 cid engine, by BRE of Arizona - dyno'd at 432 hp and 471 ft-lb.s torque. Increased by Airflow Research aluminum heads to 470 hp and 500 ft-lbs.