Rocker Arm Ratio

[Bill Diehl]

Originally Posted by Alan Roehrich

Because it is not maximum lift that matters. It is how fast you accelerate the valve, and how much area under the curve you generate.

Exactly.

but that's not how its spelled out in the book, it says lift...some have an advantage with lifter dia. which accomplishes the same thing.

So, are they measuring lifter dia. or are the .842 guys using .875 and larger stuff?