Brief Description: Drilled holes for fuel vent and fuel quick drain
After looking at the various holes I still needed to drill I found a place on ebay that had step drills for sale at $30 for a box set of 3 plus $1.50 postage, they where only in Hornsby which is 20 minutes from me. Yes these are Chinese, but they actually work, used them to drill the fuel vent and drain holes. Hole sizes increase with the slightest push, so care is needed. They step up from 1mm to 20mm I think being the largest in sort of 1mm increments.
Fuel vent and hole, a little larger then I had hoped, but its in