Recently, I worked with a friend from San Diego after he purchased a GlaStar that had briefly flown. He wanted the GlaStar to undergo a complete make-over plus some upgrades.
There have been numerous threads on the Glasair Owners Forum related to engine cooling and dealing with high oil temperatures and high cylinder head...
Break-in of an engine refers primarily to the initial phase of operation in which the piston rings will "seat" against the cylinder walls.
Run-in refers...