Spend a couple bills and a weekend and drop a teen in there, then go have fun while you decide on it's future plans.
It sucks starting a big project before getting a chance to enjoy it for a while first.
When ready, do what ever suits you, a 340 or stroked 360 car will out-sell a 273 car all day.
Those Keystones look right on your car, and I don't even like them that much, nice ride sir!