what can you do to the head? ANYTHING? or does it need to remain stock?(ie. stock vlaves No Boss removel no porting Or Lump porting, Gasket matching the Ports ? )

OK from what i just read. It didn't say anything about Not being able to Port the Head. JUST NO bigger Valves. SO my 2 cent input is this.
1) CHECK to see if you can Remove The Bolt boss.
2) see if you can Clean up the Ports/Open the port
around the Valve area as long as you stay with the
stock valving.
3) see you if you can Lump port the Head.

For the way I read it This should be do able. Nothing there says You can't


Larry/Twisted6
[oooooo] smile
Adding CFM adds boost smile
shocked God doesn't like ugly.