Quote Originally Posted by dr. d View Post
get an air-cooled VW. heh heh.
and don't all engines have to be grounded? otherwise, there won't be no spark, and the glow plugs won't glow..?
"Grounded", in colloquial terms refer to stray electrical currents that lead to electrolysis.

If only to be more accurate, your if engine is improperly grounded you're going to end up with an anodic process going on between different metal parts.