Has anyone tried this method that Mike a Muscle Motors uses?

http://www.hotrod.com/articles/mopp-0810-mopar-cam-journal-sizing/

Seems like the best idea instead of manually clearancing or scraping the bearings.

Any know how long it would take to hone a cam bearing bore .006 with the pictured Rigid Lisle 16000 hone with 180 grit stones?