Or perhaps fuel injection?
--
Jim in NC

"John Ammeter" wrote in message
news:BNOdnaZg5an_z5LUnZ2dnUVZ_sjinZ2d@cablespeedmi .com...
most likely either for priming or for manifold pressure...

John

Philippe Vessaire wrote:
Hello, I just receive today my new cylinder assy set.

I see a plus on the intake port (perhaps 1/8NPT). Original continental
cylinders don't have this hole and plug.

what may be the fonction of this hole?


Thanks