Is the harmonic balancer the same for a 327 and a 350 engine?

No, the harmonic balancer is not necessarily the same for a 327 and a 350 engine. While both engines may share some similarities, they have different specifications, such as crankshaft pulley patterns and timing marks. It's important to use the correct harmonic balancer designed specifically for each engine type to ensure proper performance and balance. Always consult the manufacturer's specifications or a knowledgeable mechanic when replacing engine components.