Dropped the pan a couple of weeks ago, cleaned the magnet and pan, and installed a new filter and replaced the lost Mercon V. This 1995 Town Car had just begun to have a bit of torque converter shudder about a week before this service. Said shudder was 100% totally gone on the very next drive after service.
Today, I installed an additional filter using a remote oil filter bracket, and I drained out about 3 more quarts of fluid and replace them as well. The remote, spin-on filter is something I've always wanted to do, and I've made it very easy to remove the whole setup as I have a tendency to buy different Lincolns somewhat regularly.
Using Havoline Mercon V. Bought a case and will drain and fill a few more times with it.