High revving 340 stroker questions

The thing is do you want a "race car" or a "street car "? they are 2 different animals. The street car should be built for long term durability. Like the difference between a NASCAR engine that must live for 500 miles or a drag engine that onlky has to last a few seconds. Different requirements, different builds. High lift cams, low spring life, Worn springs, lower rpms and on...
A 360 is a bored and stroked 318 but with a stronger bottom end block. A 340 is an overbored 318.