Well after start up. During taxi tests. Or just after extensive taxi tests are over. It pops. Engine real quiet.
Initial start up is just fine.
Where is a good source for USA made Walbro pumps? Summit charges around $250, everyone else charges around $110-$120.
The new filters are large, 6" in length, and 1.5" width. Plenty of surface area, unlike the disc that I am replacing.When I went to look for AFP filters, I found this related commentary about the filter problem and the AFP solution: Another AirFlow Performance Fuel Injecton emergency,