Good question Glen, at 400 cubes it might rev higher than the valvetrain would be able to keep up with!

A 6500 rpm hp peak at ~500 inches would be ~8400 on a 400, might be an interessting combo in a light tire limited car.

Wow only 2 days and over 1000 hits on this thread!!

WIZE

World's Quickest Diahatsu Rocky (??) 414" Stroker Small block Mopar Powered. 10.84 @ 123...and gettin' quicker!

https://www.youtube.com/watch?v=-mWzLma3YGI

In Car:

https://www.youtube.com/watch?v=PjXcf95e6v0