looks like halve of it is either from a windscreen wiper motor or starter
Feral have a look at the latest fast fours and rotaries mag it has steve newings fantastic race car in detail with all the pics of its amazingly custom constructed bits and pieces. Youll see an awesome differential with the alternator running of it and so on.
Would you know if the ga16e head would go on the e16s engine? Ive posted a thread just then with the links to some specs but would need to get the head gaskets to see the (if any ;) differences....