Did you measure port volumes? if so please post.
I have ported my e-brocks myself and came up with 178 cc in & 79 cc ex.
I installed sleeves in the pushrod holes so the entrance is as big it could get without offset rockers.
I completly removed the headbolt bulge(?)wich also required sleeves.
I took out a lot of the bowlarea and polished the ports.

Not really knowing what im doing have i actally increased port flow?
Is it possible to improve flownrs without touching the short turn?
I will try to post some pics in a few days.

Joel