RE: How often do you tune your engine
the only one I have to mess with is a magum 52 2s that thing changes every tank. messing withthe engine to much takes the fun out it when I can get to the field I want to fly not work on them. on all my others even after they have been sitting for a while a short time at full power brings them to operatinal temp and than its just a matter or of a couple of clicks down on the trim befour landing