does anyone know where to find out the horsepower and torque ratings on these motors. im trying to find out what my 74 460 was rated at new.

 

badbronco78,
The 460 motor is a 429 with longer stroke, same bore. In 1968, when it was first offered, the 460 was rated at 360 horse power with 10.5:1 compression. By 1972 the compression dropped to 8.5:1 with a horse power rating decrease to 212 HP. The next year, 1973, saw the compression down to 8.0:1 and horse power at 200 HP. However the way horse power was stated changed during this time. Early motors were rated using flywheel or brake horsepower, in '72 net horsepower was used. (The difference being whether all the power robbing accessories are considered.)
Tiremine

 

The hp has been cover here many times. A search sould yeild many posts on the subject covering all the different motors. I think I've posted just about every hp for every year/car already. Depending on what the motor came from, it has around 202-224 hp. Low 300's for torque.