Head casting numbers

[malibu795]

got my 781 bench flow after some pocket portting in the vlv bowl these are still with 2.06" valve.. i havent touched the actual runner yet.. 290-300cfm would be possible out of the 2.06" vlv....
lift-ported- stock
.100 114-72
.150 136-80
.200 163-99
.300 228-130
.400 254-246
.500 275-253
.550 278-257
.600 283
the exhaust.. the actually valve is smaller then the bowl..  i pick up 2-6cfm over the previouse stock flow numbers... 1.88 would be a big help here...