Yep, "as-cast" aluminum heads and a mild roller cam in the 226/234 range with around .560 lift with a Performer RPM or similar manifold. Won't sound any different than a 400 with a flat tappet 068 cam and be 100% streetable.
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Mick Batson
1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 2+2 survivor AC auto -- 1965 Catalina Safari Wagon in progress.
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