I'm at that point (Head job vs New Motor)

I have bills 273 #315 heads at 196.8 cfm int by .450 lift, perfect for his stock cam...
One head is done, the other i will finish tomorrow.
Will have exh flow numbers later today...
.100-54
.200-112
.300-168
.400-195
.450-196.8
.500-196

I did not do as much work to them as the '318 porting' thread, no guide shortening, no guide profile, just some bowl/short turn/straight wall above short turn work. If i do the guide profile and shortening...it will bring the numbers up at least 10 cfm and the low lift will increase at least 5-7cfm as well. these are a closed chamber head and shroud the valve a lil more...as well as the valve job difference, the angles are a lil wider....non the less these work really good and the power increase will be felt big time.
I will post pics before and after, as well as final port volume and chamber volume 'as is' then they will get a light mill before going back on.
ok didnt get to flow the exh yet, i did guide profiling 1st on int side ...and now these heads are flowing 203-204cfm int side by .450 :)