I'm pretty sure the coolant flows through the heads and that is where it
picks up most of the engine heat.  I've mostly heard of the CHT gauges on
air cooled engines, occasionally on watercooled.

Edward

On Tue, Jul 19, 2011 at 10:55 AM, Rocket J Squirrel <
camping.elliott@gmail.com> wrote:

>
> So where is this? My first guess is the heads. The coolant surrounds the
> jugs, but not the heads, which are part of the combustion chamber and
> where oil flows over the hot valve stems.
>