mains

This might seem a little strange or might be old hat to some of you but... I have been tuning the carbs and went for a nice long ride today with Mark's A/F meter ziptied to my bike, shhh dont tell him, and was running 13-13.5:1 while crusing down the highway. Thought to myself, self, this here...

I'll be the new owner of HDKILA's Vmax this week. He has morleys muscle jet kit installed on the bike and it runs great over in Illinois. However, I live at an altitude of 5000 ft. Just north of Denver... Will just changing the mains to, lets say, 145's suffice in curing the super richness...