Vacuum advance issue

I believe clockwise. @halifaxhops will know for sure. I am almost certain though. I think it's a 3/32 allen wrench size.
Clockwise it requires less vacuum (lower spring tension). Pic will help. Also make sure the ported vac is working right the lower throttle plate might be out of adjustment also. By chance any one put MP springs in there also?

vac1.JPG

vac2.JPG