Thanks,
Here's a few shots from yesterday's session.
I managed to finish the runners on both sides, and I also massaged the plenum to fit behind the fan shroud.
I am using a plenum and TB from a 2.1 wbx, however the TB itself will now point upwards. I have had some advice that I should add a "pyramid" where the air comes in, in order to help ditributing the flow, to avoid 90° bends:
Here's a shot from the side:
Now I need to weld up the plenum, make som fastening HW, and then make and mount some bungs for the injectors.
At least there is some progress...