Today I was yard-taxiing my Spitfire and got the following results:
Safeway 92 Octane fuel, lawnboy 32-1 oil, 3w 22-10 prop, Keleo live exhausts. 6300 rpm peak, backed off to about 6200.
80 degrees, not much humidity.
Getting better with every run. This is only the start of gallon number 2.
Sam