80 series 1hdt motor

The bigend bearing failure on those engines is what started LCOOL really,
100,000km was the usual replacement with genuine bearings, ACL's did much more, but was limited by not having "Select fit" bearings,
What shells did you use as I believe ACL's are no longer available,
Did you measure the oil clearance on the ones that "Had signs of wear"?
I checked my 1HDFTE bigends when I fitted the engine it had done 260,000km and were still fine, replaced them anyway with genuine ones as I wanted the select fit advantage.
Cheers

This early bearing failure and the concept of having select fit bearing shells has me a little incredulous.
If the crankshaft grinding procedure regarding size and finish was held to easily achievable modern standards, why would you have a range of sizes to select from?
Have a look at the parts catalogue. I am pretty sure you won't find a selection of bearings when you grind the crank undersize. Are they assuming that the machine shop that does the grind are going to be able to hold the dimensions within tolerances? If our little machine shops are capable of achieving this standard, why not the Toyota Motor Company?
I have a 1HD-FT, the non electronic fuel pump model, fitted to my ute. The engine came from a 1997 80 series that was a statutory writeoff. Before installation, among other procedures I dropped the sump to inspect the bearings and replace if required. I did replace the con rod bearings although they could quite easily have been re-installed and the crank pins looked like brand new.
The engine had done something like 190,000 k's.
So what is it with the 1HDT an otherwise excellent motor?

Cheers
Pop

100% agree with Dozer and I suspect the motor will possibly do a million kms