Hi Doug; Two flights ago I took the sense tube from the float bowl and wire tied it to the engine mount, this made an immediate improvement at 2700 an...

Hi Doug; One other thought, do you think I could have a valve sticking at those RPM's ? Thanks Len Schmader

Hi Doug; I finally flew the plane today with a new 290 needle jet, 35 idle jet, and 250 main jet. On climb out the fuel flow was 8.8 gph with rough ru...

Hi Doug, I have been working on this problem for over a year. I did get the cobra elbow and moved the air cleaner up in the cowl, but it did the same ...