2 and a half max. A physical specimen but not very knowledgeable. An opinion of Ed Parker Sr. and Wally jay to name two. Gene LeBell as well who began to teach him grappling after an introduction by Parker Sr. and his signing on to be the primary stuntman on the Green Hornet.
I was discussing the fact that he didn't complete the system with my Sifu. (We are from the Yip Man lineage; our Sigung is Yip Ching.) Judging from what he has seen, he thinks Bruce might have learned all of Sil Lum Tao, MAYBE Chum Kiu, and hardly any of the wooden dummy form. However, he also said, "He might not have learned the whole system, but he had a solid grasp of the concepts. He was very smart."