<VV> carburetor detail/engineering question

[BobHelt at aol.com]

To reduce percolation if I remember correctly.
Regards,
Bob Helt
 
 
In a message dated 11/20/2011 3:28:43 P.M. US Mountain Standard Time,  
corvairgrymm at gmail.com writes:

What  purpose does the "main well insert" serve?   This insert is the  one
with the two rows of holes in it that you can pull out of the main  well
after removing the  cluster.