Air filter for Model A

[Y-Blockhead]

Originally Posted by Werner

Hello carburetor men!

I have read these many posts because I do not know if my Zenith-2 has this balance passage or not. If I see the picture of pargeter correctly, then my carburettor is without balance, because the upper of the three holes goes only out in the air?

Originally Posted by Werner

Because my carburetor makes irregularities (idle air jet completely screwed in, GAV 1/2 turn left, 7 gal. per 100 mls) I would like to repeat the previous question again.

That's correct. The air vent at the top in your picture would be sealed. The float bowl would be vented thru the carb throat. Thus it is vent to the inside of the air filter.