Well, you unbolt it and replace the gasket before you bolt it back down - bolting in the correct order and the correct torque. Then you hook everything back up.
You can also air up your tires and just push it back a few feet. Then do that every couple of months. It's a little late to do that now, but who knows? It might save 'em, or make 'em last long enough to safely get to the tire store as things improve.
I have moved it a foot or two once a month or so
Then your tires may still be good enough to get you to the tire store. So, you've got that going for you.
You raise a good point with the idle electronics. That could end badly, as things have had time to oxidize.
Replacing any of that is gonna be hard - unless there's a mass-produced Ford that's interchangeable.
Most mechanical parts are Ford on that car, but the computers are Jaguar. They tweaked the Lincoln engine to get more power somehow and added some Jaguar parts to it.
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