I drilled the firewall and rib for the pressure transducer. I installed a couple of nutplates on the rib and put the various fittings and transducers on the manifold. I then temporarily installed the manifold on the firewall. This will have to come off one more time to rivet the rib to the firewall. I also may have to adjust the fittings and possibly swap out the fuel fitting (lower) for a 90º fitting instead of the 45º fitting that I installed. Just like all of the other fittings forward of the firewall, I’m using steel here.
On the other side, I installed some brass plugs to cap off the extra ports.
I spent the rest of the night planning out the remaining things that need to mount to the firewall and making sure I had all of the hardware on hand.