318 head porting for the average joe

Jadaharabi said
Use the 915 heads. Do a little porting & a little milling then a touch of camming and bingo you have met you goal.
Moparoffical has my 915s flowing 260 cfm at .500 lift.
Btw all LA motors have rocker arm shafts. It's usually what is mounted to them that may be differant.
Freshen up the 904 and put a correctly wound front clutch pack spring in it.
Use a b&m 360,904 flexplate and run a neutral balanced torque converter behind it.

Now that we've derailed this thread real good. Go back to talking about the heads.
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Yes thanks. Main body of the question definitely on the porting possibilities between the three heads and which would be the least amount in cost and labor. Sorry about the diversion, just had a some concerns that might steer the opinion on which heads to use. But quite impressed with the 318 head flow with some porting. I had never gave them a thought as a performance possibility.