The Toyota Type F inline six looks very similar to the Stovebolt six but shares no internal or external parts.

It is actually based on the 1939-1963 GMC inline 6. The head is based on the Chevy 216/235 head. It was built under license from GM. Displacement was 238cid

The second generation of this engine was introduced in the mid 1970s.
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1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)