Ok, I got it on, squirted some gas down into the vent, and a little into the primaries, and it fired right off. Doesnt run great but will just barely sit there and idle. When I rev it, it sounds much better. Appears to me to have an air leak somewhere. Going to spend some time this weekend tracking that down.
I was curious though. I put the super thick base gasket on (with the rubber grommets in the bolt holes) and was wondering if that was enough to seal it. Or do I need a regular gasket above and below that?