Chevrolet: need motor size, timing gear

Question
We have a motor, serial # 330817, we need to know what size it is?

Answer
Barb;
  where did you get the nos  from . you need to get the nos. from the right front of the motor by the lower right head  and  right, of the timing gear cover. those will be stamped into the lip that is sticking out.  those will be the engine i.d. nos#      OK