Can more head weight give you more distance?

Today Jason is talking clubhead weight and can a heavier club head give you more distance and also by increasing the head weight what does the increased swing weight do to your delivery of the club.
To find out more or book a fitting go to www.clubchampiongolf.co.uk

[@MrKillahippo]

From Aus , I'll b in London in late Aug , may have some time set aside for a driver fitting, how long is a session?