Try our new info resource - "Aladdin's Cave" (Main menu)Just added a separate link to Ash's Dropbox thread (shortcut)
It's been posted on here a few times before. The best way is to put the engine on it's side on padding and then place the frame onto the engine. You have to leave off the sump pan and breather cover, probably carbs too.
Gorgeous looking engine Spitfire!