Conventional wisdom say that the P51 was the best piston engine fighter of the war. But was it? In two comparison tests, one by the U.S.A.A.F. in August 1943 and one by the U.S. Navy in January 1944, the F4U was compared to the P51B/C, the P47, and the P38. The results may surprise you and in this video you'll learn some of the details.