(from page 2 of the 1974 Collection)
A very dirty, 1974, Mustang, Y-code, 88hp (at 4000rpm), 2.3 liter (140ci), 2 barrel, 4 cylinder engine.
(from page 3 of the 1974 Collection)
This is a 4-cylinder engine. It was rated at 88 horsepower. It was the smaller of two engines offered in the Mustang II in 1974.