Answer:
First off, a 350, is a small block. And, if you are talking about the torque output of the motor, well, that depends upon how it is built, and, with what parts. Anwhere from 150 ft., lbs., to 500. If you are talking about the bolt torque specs, it varies from 35 ft., lbs., to 85, depending on which bolts you are talking about.