Figure thats 20w 50 oil in the thing, and the temp gauge never really moved, so I don't think the video ever saw 180 degree water temp, nor 180 degree oil temp.
If your going to flog it for a season.... I think it will probably hold up.
I don't mind sacraficing a little peak hp for the reassurance there aren't problems, espeacially seeing your looking at a stock oil system feeding the mains through the lifters to feed the rods.
Hell with the 351W style system in the A460 block, and the small journal 2.100 rod journals I have, I would still like more oil pressure...... in flow. I would pitch the stock pump, and run a high volume. Im not so worried about the bearing clearance, stock bearings with the hours on.... are probably about race clearance from wear about now... the stock pump just aint made to fill the void.
Failure from low oil pressure/low flow is going to hit rod bearings first...... The issue with the main is just getting oil to the rods. 3/4 and full grove main bearings source the rods better, and require more pump....