49 runs MVVS Ievin suoretiger
Just got done rain on the way outside temp 87F fuel DAVIS Abc prop GRAUPNER 12 x6 2 blade CORRECTION HAD STATED 12X7 IT IS A 12X6
max idle
Irvine diesel factory head 9600 2300
Irvine diesel davis head 9600 2300
supre tig 40 davis head 9120 2250
MVVS 40 davis head 9000 1650
both irvines MVVS 4225A mufflers tank pressure
Supre tiger the small economy muffler stock
MVVS stock muffler
there was a small drift in rpm on all of 50 to 100 rpm the MVVS had the lowest idle and it may need a little tweeking think the rpm a little short
also the ST is a ringed engine ,Martin
all ran pretty clean not a lot off smoke