Preparing the tank fittings so everything is scuffed and de-greased before the sealant can be applied.
Breather lines and fuel senders:
Fuel pickup and return:
No time today for the sealant so that’s for tomorrow.
I tried the AN3 bolts for the fuel tank brackets, they don’t fit through the holes in the main spar, I used a #10 reamer to slightly enlarge all these holes in the main spar: