Stroking a 318 to a 390

I'm going to measure them as soon as I get the pistons out. I seriously doubt it, but I'm more morbidly curious than I am serious. However, that can change if there's enough piston left to avoid pinching the top rings or cutting the crowns too thin. But it may be still be possible with a set of vintage TRW 360 forgings witht their average of .300 thick crown, if a person could find a pair...