Top End Miss

I still think your problem is in the valve train ,but like mentioned read your plugs after a pass to see where everything is at.For the record i have no idea what my timing is set at on my 408 (as i have never put a lite to it) .I set the timing by reading the plugs and did the jetting on the 750 by reading the mph on my time slips...
dam I'm glad you said this I have always wanted to tell people this but for the sake of the argument I haven't.I could see you and I do things allot alike..and I still think 805s car is still lean and with the fuel PSI Iv read I'm sure I always turn the PSI up till it dribbles out then back it off a 1/4 turn and it is usually around 9psi.I learnt that from a pro stock racer.........Artie