Horse Power
The mechanical horsepower, also known as imperial horsepower, of exactly 550 foot-pounds per second is approximately equivalent to 745.7 watts.
http://en.wikipedia.org/wiki/Horsepower
The engine horsepower rating was 500 hp or better
HP Lovecraft's initials stand for Howard Phillips.
high potency
hp=horsepower
With the 232 ci engine, 100 HP.With the 258 ci engine, 110 HP. With the 304 ci V8 engine, 150 HP. With the 360 ci V8 engine, 175 HP. With the 360-4 V8 engine, 220 HP. With the 401-4 V8 engine, 255 HP.
hp stands for hit points
There was a 42 HP and a 52 HP engine available.
15 hp
I believe it is 285 hp.
Approximately 101 hp.
Approx 6 hp
75ps or about 73 HP