What is the relationship, if any at all, between the French Lorraine 14A Antares engine and the Mitsubishi Kinsei type 2? They both have 140mm bore and 150mm stroke, both 1970ci. The Antares dates from 1928, the Kinsei from 1934. The 14A is 500hp at 1900rpm and 5:1 compression ratio, the first Kinsei was 680hp at 2100rpm and 5.3:1 compression ratio. Antares weight was 445kg, Kinsei was 510kg.