Camshafts and Compression

Bewy said

When you open the blades to expose more t/slot, you are also letting more air get past the blades. It is this air that starts the main cct

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Yes, understand all that, and the idle fuel is only supplied by the small brass tube inside the passage for the main cct.

I found the idle passages in the air horn blocked with that green crap, esp on the RH side, which was totally blocked. In turn, I had to crank the idle up a bit, which then caused the booster drip.