Originally Posted by
jdm_virgin
I've been looking at forged builds and from what I have seen there is noting wrong with OEM main bearings. The advantage they have over ACL and I assume others is that you can buy them in about 8 sizes so you can get ones to exactly match your crank where as ACL only come in one size. For clearence on the bearings you can use plastigauge or your engine builder can measure it for you.
Would recommend oil pump refurb and replace the main seals whilst you're down there. Timing chains will last for 250K plus but again whilst you are there you may as well for what it costs.