I decided to sort the turbo oil return flange out. It originally had a bit of pipe badly welded to it.
So I cut it off and cleaned it up a bit.




The AN12 fitting has a step on the back of it. So to centre it properly I put a stepper drill into it so it has a slight recess for it




Then welded it out







The aluminium plate turned up for the TB flange for the manifold. To be honest I was dreading this bit as all of my hole cutters are pretty cheap and wobble all over the place and obviously I want a fairly precise fit.
I grabbed the closest size I have to the ID of the TB which is a little big but should be ok.
clamped it down, lubed it up and went for it.




with the pillar drill on the slowest speed possible and lots of cutting fluid it finally bored a reasonable hole through it. It would of been better with a 5mm smaller cutter but hey, gotta work with what I have.



it should do the job just fine and be ready for a slightly larger TB if needed later on.



Ill either continue with the manifold this weekend or get the engine ready to slot back in the bay.... maybe a bit of both if I’m allowed