Heron Pistons and Larger Valves

[Huw Powell]

> Now here's the part I don't either understand:  How in the heck does a deep
> dished piston increase the C/R when it replaces a shallow-dished piston?
> Can anyone explain this, or am I reading the above paragraph incorrectly?

taller piston?  so the "sides" of the dish take up some of the former
combustion chamber volume?

-- 
Huw Powell

http://www.humanspeakers.com

http://www.humanthoughts.org