This is exactly what I mean
I ran 12.9/106 with 223cam and 10.9 compression at 3650 on 245/60-14 streets, spinning most of the way. A833 and 3.55s, also my daily....all summer, May-long to Oct 10th
I run 11.70's @160psi cranking compression. static 10:1. [email protected], 112LSA. (and it is anything but soft on the bottom) It makes 550ft/lbs at 3500rpm and goes idle to 3500 like cracking a whip. I'm definitely leaving power on the table in several areas, cam, combustion chamber volume, tires, convertor. But it drives real nice on the street to and from that strip and runs consistent as hell.
I can't see putting any money into an iron head given the cost of a decent aluminum head. And they leave you room to grow.
