Per,
I may be wrong but I learned that lean burning engines have higher exhaust
temperatures whereas overly rich burning engines are cooled by the evaporation of
the injected fuel.
Any truth to this?
-Larry

> <snip> The biggest is that because of more fuel
> injected into the combustion chamber, it will burn hotter. It may not be
> damaging, but it could be. It has happened on some engines. I would very much
> like to have a chip installed in my Syncro (112 hp aint enough :-)) but I'd
> complete it with an exhaust gas temp gauge to see if it runs hotter, or too hot.