Quote Originally Posted by zenithblue71T View Post
from my engine builder John Holleran:

I put in a smaller main jet. Went from 125 to a set of 120's
I am hardly a carburetor expert, and maybe things are different for PMO's than Webers, but 120 mains may be too small on a 2.2. The 2.0 911S engine used 130 mains.