by wlarson861 » Sun Mar 20, 2016 9:58 am
Check the manual but if you are going to run only avgas then the compression would be 8 to 1. I run auto fuel (alcohol free) so mine was set at 7 to 1 both normally aspirated and now as a turbo. The turbo has nothing to do with the compression but rather the detonation potential of the type of fuel.
Bill Larson
N861SX
Sonex, polished, tail wheel, Generation 4 Jabiru 3300