Oil door hinges installed using CS4-4 rivets and G-flex epoxy. Waiting on Hartwell latches to arrive.
The hidden hinge works great.
Drilling hinge to door
Initial door fit. The area around the door edge will get filled and blended.
Working on door fit:
Initial clearance hole for oil line return line for half raven inverted oil system:
Built up upper cowl with flox so it can be sanded down to match lower cowl.
Oil sump return line too close to cowl:
All firewall cowl fasteners installed: