The engine is a 780 cubic inch (13 liter) horizontally opposed 8-cylinder, scavenged from one of [Mike]’s racing planes, and fitting it required extensive structural changes to the fuselage.

Retired Air Force fighter pilot Lee Behel, 64, was killed on Monday afternoon when his Osprey GP-5 "Sweet Dreams" racing plane crashed at ... In 2011, 74-year-old pilot Jimmy Leeward lost control ...