312 -cu.in.OHV V-8. Part of the Y-blockline of Ford engines. Comp ratio 9.7:1, Holley 4-barrel carberator, rated at 245 HP. seller believes the engine is original to the car. idles well, without smoke, after warming up.new aluminum radiator with electric fan was insstalled, along with aftermarket Edelbrock air cleaner. there are no issues with the Ford-O-Matic three speed automatic transmission. Engine bay is clean. Recently had a $15,000 restoration paint job.