It wasn't that long when supercharged nitro engines were in the 5-6000hp range and I can personally testify that I witnessed just as much carnage and oildowns as they have now. I don't follow nostalgia racing that much but it's my understanding they're no stranger to engine grenades either. Face it - you run supercharged nitro, you're gonna have to put the pieces back together with regularity. There's no end of videos and pictures that will confirm.
If all you want to do is trim trap speeds that's relatively simple. If you want to trim the catastrophes it starts in the barrel. The one marked METHANOL.
Look. Nobody's having problems with 1000 feet because of the length except the old school purists who don't consider it 'real drag racing'. The pros outweigh the cons ten to one. But 660' racing ain't a case of too much of a good thing is just enough. My opinion; sorry, Big Daddy. And I have a question since I'm not qualified to know the answer. I do know the synthetics are much more difficult to clean up than conventional oil so what would be the drawback to returning to it in the fuel classes? It won't stop oildowns but it should substantially cut down on the time it takes to clean 'em up.