Tried to start my just overhauled engine.
Did cough a couple of times after I dumped a bit of fuel  in through the intake ports.
There is fuel  in the carb bowls.
May have an air leak somewhere in  intake path.

I think I read not to use ether, but use WD40 instead?

Should I spray some Marvel Mystery Oil into the cambers to get better sealing?

No more time to experiment today, so any tips for tomorrow are appreciated.

Finn