Aluminum Head /6

Exactly! Think about how much a \6 block distorts and twists during operation. Then think about tooling up for an aluminum head with the casting venting, lost foam, vacuum casting, etc. etc. and how many trial and error runs it will take playing with the mold and casting design and outlay to come up with something that doesn’t drive such a fledgling operation out of business by the brute force of warranty claims. Doing this with the stock marginalized design and power limitations would amount to, as we say out in the hunting and fishing grounds, pissing in the wind...