The 360 first appeared in 1971, with a two barrel carb. It had a cast crank and external balancing, and was the only LA engine without a 3.31" stroke (3.58"). In 1972, it was rated at 175 hp @ 4,000 rpm, and 285 lb-ft of torque @ 2,400 — above the 318 but well below the smaller 340.