Originally posted by SBC Maro
Well, to put it simply:

That is something I wished I would've found out before ordering parts. Thx to god for return policies. I got a bit excited, and put a bit too much trust into a tech advisor.

This is super valuable advice for me. Thanks alot for helping out so far.
I would try either a Dart Iron Eagle S/S head at 165 cc. or a World products S/R Torquer head at 170 cc.