That is a real shame mate, especially after all the work that has been put into making the engine a real monster.
Speak with keyser as he has been pulling engines in and out of his zeds for the last couple of weeks. He may be able to lend a hand to get it ready and, as you already know, Dan has an undoubted skill and if he could only just find time to squeeze in the mapping.
I'm not too sure I would trust anyone to map it other than Dan.