Originally Posted by
koreanassasom
took my O'donnell Zo1-t and RB B9 2045 pipe combo to Motorama this weekend and man was I happy! I started the day with the carb HS needle at a about 1.5mm above flush and the low speed in a bit from flush maybe 1.5mm or so. it was low lean idling on the low end and i had no top end when my practice started so i turned the bottom out to flush and the top in a few hours and it ripped low-top end was great. i had to lean the bottom 3 more hours so it is barely in from flush. i am very happy with this engine i ran a 7 minute qualifer and had 40 % of my fuel tank still full, 11 minutes maybe

i ran the OD 97t plug, great plug!
In truggy you should be able to get a good 11 minutes with that engine, doing timed runs several times I have gone a little over 13 minutes on some tracks.