N89193

The pilot stated that he departed on a cross county flight from Eagle's Nest Airport, Waynesboro, Virginia to the Liberty County Airport (2J2), Hinesville, Georgia. Prior to departing the pilot stated that he fueled the airplane with approximately 15 gallons of automotive gas. He stated that he mixed the automotive gas with the remainder of his Avgas 100LL in accordance with STC SA 2613CE. Approximately 10 miles from his destination airport 2J2, at 1,500 feet, the engine began to "cut in and out, and then stopped". He made an emergency "MAYDAY" call to Savannah Control Tower controllers, and made an emergency landing in a field. During the forced landing the airplane nosed over inverted. Examination by an FAA inspector revealed that the nose wheel was collapsed aft and the firewall was buckled. Further examination revealed the left wing was bent upward. Examination of the fuel tanks revealed that they were not breached, and void of fuel. Both fuel caps were tightly sealed in the locked position. The fuel system lines were further examined and revealed they were also void of fuel.