Correct on Dick Smith.
Dick Smith and the Hemi Dart were at the 1968 Super Stock Magazine Nationals at New York National Speedway in 1968.
Dick also ran a 1965 Coronet 426 Hemi 'Fuel Injected' AWB car at Detroit Dragway in 1966 and 1967.
'FIREBREWED'
Dick was an AHRA-contract racer (ie; Detroit Dragway and New York National Speedway).
Here is 'FIREBREWED' in 1967.