Advertised Horsepower is: 175 HP @ 3600 RPMs. This is a 1975 400 I see no record of a 400 CID in 1974
175 Hp @ 3600 RPMs.
Good compression, good heads, good cam.
bosch platinum
70s
245 HP @ 4000 RPMs.
400 block, with a 350 crankshaft. 383 cid.
most of those engines were either 265 or 325 hp.
About 298,400 watts.
Advertised Horsepower is. 2 bbl carburetor 145 HP @ 3800 RPMs. 4 Bbl carburetor 160 HP @ 3800 RPMs.
The 400 ci sbc was produced from 1970 to 1979 and had HP ratings from 150 to 265. If your question was more specific ie: year, model, 2 bbl, 4bbl,etc. I may have been more helpfull.
Truck or car truck 210 hp
255 HP and 335 Pounds of torque