I have a pretty good reason for not using 3/4 groove in my BB.

400 Mains. whiney

That being said, the regular ol 876P full groove bearings I am replacing in my engine were put in it in 2018, and I could reused the rod bearings if I wanted to at 800+ hp.

And they have a LOT of passes on them. Like 200 a year except for covid year when I only put 110 on it. runaway

67 Barracuda street/bracket car 11.27-119
68 Dart 502 BB 8.70s-152
414 cid SB Dragster 7.65-174