SM Head Modifications on a budget

PRH said
In my mind, with the bigger valve and pinch/bulge work, the port is begging for some attention in the SSR area.

Has the 5” port extension been tried on any of these later stages?

Here's the short 3/4" thick entry plate vs the long 5 1/2" tapered entry plate. This really didn't hurt flow as much as I thought it would. It also calms the port down some like PBR mentioned. The curve looks much like a curve with a tight pushrod pinch. That PRP calms the port down as well.