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Aluminum, cast, CGI, World, Indy, Koleno, Mopar: which is the best way to go for a all out race motor?




All out NA? CGI but you can't get regular ones, cast, then aluminum.

but i don't know anything.






CGI is tuff stuff but I don't think anyone will manufacture it it takes to long to machine and to perfect it, you would need different tooling than grey iron, and by the looks of it no one has the money to invest.