Originally Posted by wkloppen

The course..???...Whats the course of an engine?.....anyways.....I just ran in my Nova Ison in the C803 at the Mach in Heemstede. Ambient temps of around 20 to 25 degrees, relatively dry air for the Netherlands. It now has about 4,5 liter of runnertime through the chambers and I just changed the conrod.....By the looks of the piston it has been run pretty rich....care for any comments in this?