New Magnum heads for 347 with Flow data

At this point I just want to get the exhaust a little more developed so I proceeded to square up the sides almost to gasket size, blend all humps and bumps, knock the guide boss down a little and cartridge roll the S.S. and call it done. The little bit of work paid off better than expected.

With pipe stub is on the right
.1 52.5 53
.2 103 103
.3 153 161
.4 167 182
.5 170 184
.6 170 183

Here's what the bowl looked like. This is just common sense stuff.
I took a pic of port side of the worked head and untouched. J.Rob