Originally I was hot and heavy for a set of 20" Centerline California Smoothies. The car is a monster, so where normally I'm not a huge fan of giant wheels on older cars, that diameter would probably fill the wheel well out nicely, while still allowing me to run a decently meaty tire, and not have to run rubber bands.
Then I found these:
All said and done at this point, the most important thing is to reassemble and reinstall the engine, and get the car up and running again. I personally hate the stock 68 caps, but I really like 64's so that's what I'll be running to start with.