348 Oil leak help with pics

If you use all the right parts and do all the modifications and do a really good job putting it all together you might get lucky and not have too much leakage.

Several posts here to that effect and you are already figuring out what shortcuts to take.

 

Its more that I suspect finding this drill jig tool in New Zealand will be very difficult given it appears to be unavailable for purchase, but I appreciate the first half of your response.