Rear oil supply line - a different approach

One last clamp added...

 

Almost always I enlarge the internal passages of brass fittings. Some you can only open up a little but others can be done more. If I remember correctly I did with these, although with the rear one, I couldn't open the outer side too much because of the flare "bubble" inside.

I remember on my fuel fittings, I was surprised how much room for improvement there was inside