Doug,
Interesting engine, it does look a little frenetic.
ADJECTIVE
fast and energetic in a rather wild and uncontrolled way.
"a frenetic pace of activity"
synonyms:
frantic · wild · frenzied · hectic · fraught · feverish · fevered · mad · manic · hyperactive · energetic · intense · fast and furious · turbulent · tumultuous · confused · confusing · exciting · excited · swivel-eyed
Is it running with a governor?
Len.