As for Rener-Morrison worrying about the efficiency of stroke and rod ratio....... you did see that the smallest BB crate motor they sell is 540ci.

Sooooo, if you bought Victor heads, and put them on a 470....... the rockers are cheaper?

You could have just as easily put heads on your 511 that used cheaper rockers.

A 511 costs zero extra dollars over a 470.

For me it’s really as simple as this........ if one can’t figure out a way to make extra power from the additional 41 cubes..... they’re doing something wrong.