My update to my original stalling issue ( when I tilt the saw to a 45' angle, it rev's up and shuts down ). I have done this in steps, trying one or two things at a time, two carburetors ( original rebuilt and new one ), no change, checked for air and vacuum leak, started with pulling cylinder and replaced ring on piston, cylinder looked and felt great, new seals and reassembled, no change, I ordered tools to do a complete disassembly and new shaft seals, case seal, this went well, everything looked good, put the saw back together, started right up, runs great level, upside down, straight down, but as soon as I start to bring it to a 45', it revs up and stalls. Starts right back up, will idle for as long as there is gas ( I tried some sea foam just in case ) and still stalls when I tilt it. So my conclusion is so far, nothing I have touched or replaced has had any effect on fixing my issue. I do feel good about my assembly, it was my first complete chainsaw tear down, and it starts right up and runs fine. I just for the life of me can't figure out what is causing the staling ( as I tilt it up, the rpm's go up fast and then stalls out ). All the consumable parts are now new ( except the main case bearings which were good ). I'm missing something, any thoughts as to what I do next?
The attached video is at an idle ( using one hand on phone and one on chainsaw ). You can hear the slight rev up and then it shuts off. If I left it horizontal it would just keep running.