well I got the knock fixed or removed. I may have picked up some additional power as well ( can't get to the dyno until next week). After discussions with several folk that know this stuff better than me, it was suggested that I could retard the ignition timing by 8-9 degrees with a free flowing head and high compression. This turned out easier said than done. I had to make an adapter plate to relocate the pick up head relative to the rotor. I retarded the timing by a calculated 8.25 degrees. I put a couple hundred miles on since the mod. It runs great and pulls harder than ever, all on 92 octane gas. Feels like it winds out faster. Next tank I'll try the mid grade just to see how low I can go.
Although I must say that playing with racing fuel mixes for the last week has been a lot of fun, costly but fun. And not very practical either.

05 speedmaster - 1100cc, 11:1 racing pistons, Carillo rods, thunderbike cams, ported and polished head, 2mm over intake and exhaust valves, Barnett kevlar clutch, scepter pipes, oversize manifolds, 45mm HSR's, TTP stage 4 firestarter