Questions

It all depends what you trying to do, that's on the top side of an RV cam and the bottom end of street strip cam, right in the middle, above that you really start moving torque up the rpm band trading bottom for top and stall gears etc.. becomes real important.
I am just trying to build a nice hot street engine. 400-450 hp would be nice.
Probably have to make some calls to these companies to find out 100%, please post your findings I'm interested in the results.
I will make some calls and see what they say.