Vents opened or plugged with the Z17/Pro XS 115 FS with 19 pitch spitfire prop?
Vents opened or plugged with the Z17/Pro XS 115 FS with 19 pitch spitfire prop?
Trial and error. May only need to restrict one vent. Not necessarily closing one complete. Could be restricting each vent a little bit.
Dale Johnston
Wichita, KS
2019 nitro z20, mercury pro xs 250 four stroke
Being rather anal about things, to keep balance, I ran all three in my 115 Opti, then drilled them all out with a 1/2" bit.
Jim
Old Guy
2021 Z19 Pro