360 Pistons
You tell’em AJ! I’m with him in this. IMO, ether hyper slug above?the KB or Sealed Power) will be fine. Topped with your iron heads and an.050 head gasket, compression will be around 9.5-1 or less depending on several factors of course.
If the performance bug hits and you spring for heads, the ratio will rise (cc dependent) and allow for a bigger cam and more power.