Garwood speedster. it has been said that the 16 foot gar wood speedster is, pound for pound, the most valuable classic production speed boat in the world.. In their time, gar wood motorboats left all competition in their wake, winning the coveted harmsworth trophy year after year. today’s gar woods, as powerful as they. Antique boat center is a broker of classic and wooden boats, including chris craft boats, and specializes in vintage antique collectible boat restoration and repair..