carburetor adjustment problem

[DutchEdwin]

Like said in the other tread

I tried to adjust the carburetor today. I encountered two problems.

The one in this tread....not enough vacuum.

I have a vacuum meter attached the the intake manifold.

When I set the engine at 4 degrees to 2 degrees advance, the needle is steady. But not enough vacuum, only 15 inch.

I do have a complete overhaul set installed in the carburetor.

If there is a vacuum leak (I think there is) where will it be? My guess it there are only two places:

1) The gasket between the intake and the carburetor.

2) the tread from the plug where the vacuum gauge is attached to the intake.

Are there more places? and How can I check this?

I tried to adjust the two idle mixture screws, when I look at the vacuum gauge I hardly see any difference. Is this because there is an vacuum leak?

Thanks. Edwin.

[aero3113]

you can check the nuts that hold the intake manifold on.