The original horsepower for a 400 small block, cast number 395-1509, was 295. The 400 small block engine had many variations resulting in different amounts of horsepower.
Couldn't find that number at Mortec, but 3951509 is a 400. hth
Chevy small block 400 cubic inches.
It's a small block 400. '76 - '80 I beleive but don't quote me on the years.
400 horsepower and 400 lb/ft of torque.
A Lexus GS 400 has 300 horsepower.
40 horsepower
26.9 horsepower
From the factory it was rated at 400 horsepower.
400 horsepower
A 1990 LS400 has 250 horsepower as rated by the factory.
Torque(lb/ft) = (5252 * horsepower) / RPM