K member & 400 B Big Block question.

I've got a 440 first build in 88 it's just a TRW blue printed build. So it's been decked and compression is 9.5 for street use with polished stock rods. There are no trick parts what so ever but this shortblock has over 2000 pass's and a few more street miles. I've run it to 7000 rpm from the second pass on. It's got a pair of 452 heads and a old 557 cam now we thrue it on the dyno and it made 520 hp 545 tq. I built the 440 at a time when I had no cash and needed to barter all the machine work (I did bodywork and paint). But my point is build a solid shortblock because you might be living with it for awhile.
If your lucky !

I agree 100%. I've always used what I had, because I had to. Only a few of my personal builds had nice stuff in the bottom. Done a good bit for others. Even this 396 I have built. It's a cast crank, cast piston engine. In its defense, the pistons ARE original heavy duty GM pieces. They are pretty nice for cast pistons....very much like the older cast Chrysler pistons. They are stronger than most give them credit for. But I cannot and will not argue your logic. You're 100% correct.