I'm no expert and I have no numbers to back this up but I feel it's the average guy with a stock or slightly modified engine that wants/needs a new iron head. Some of you seem to have a stock of good iron heads. Most of us do not. There are lots of Pontiac heads for sale but most are low performance and almost all that I have looked at are junk. It would cost more to rebuild them than they would be worth rebuilt. As for round port heads, there are not enough people who NEED a replacement iron head. Most racers will use an aluminum head and there are not enough restorers of round port cars to be of any value.
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