Factory HEMI Head!

barbee6043 said

just wondering, how much hp does the Aussie hemi head make? is a copy of it the best idea?

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There is no Aussie Hemi head for the Slant-6. The Australian "Hemi-6" engine is an unrelated upright inline-6, and the "Hemi-est" thing about it is the name; in actual fact it's not a hemi-head engine.