Pontiac designed a Hemi too

How about the 1st gen. Slanty heads in Al-U-minimum, or the late '70's parallel Slanty heads to the 2.2/2.5 ones, bathtub chambers, Al-U-minimum, plus factory cast turbo exh. manny & cast/welded turbo intake manny..??? They're out there, never produced, not even close..