- Bent tab on center rib reinforcing angle to 25 degrees and checked fit
- Drilled rivet holes through firewall and center rib
- Deburred and dimpled above
- Match drilled left and right ribs to firewall
- Drilled left rib and firewall for mounting engine sensor manifold (fuel, oil and manifold pressure)
- Match drilled and deburred sub panel and left and right ribs
- Clecoed forward skin on
Using top skin to help align center rib:
Using rivet fan to layout holes in firewall:
Center rib drilled:
Top skin clecoed on:
