Changed intake gasket, now it won't start

that will have no bearing on engine firing. did you possibly forget to plug in your two wire connector from distributor?
Good thinking but I did connect them. Earlier on I had forgotten them.

timing advance on the distributor
is that hooked up ?

maybe post a few pictures, we might spot something stupidly simple




he mentioned he had spark
Vacuum tube for the timing advance is hooked up to the carb.

Pictures following shortly.