Originally Posted by AbaZ

You do know there isnt a "stock" standard set of factory bearings for one single Honda d-series engine right?

Example.. My d16z6 probably has different bearings than your d16z6. So when you go to the factory and ask for bearings, they are going to ask you what color you want. Each sides of the journal can use 2 different color of bearings too. So its very important to know what came out of your engine so you know what to put back in. Thats basically why they sell bearings in "halfs".

When going to a place like pepboys or napa and ask for bearings they are going to give you the "green" bearing which is about in the middle of the specs. ACL/Clevite etc etc. Sometimes you can get lucky throwing these in, sometimes you can get real unlucky, thats why I highly recommend plastigauging every bearing cap.

But to answer your question, Will a D16a bearing fit a D16z.. yes

Originally Posted by 4thGenTurbo

K the crank bearings are all the same, and there isnt much tolerances involved, there is no rotational mass on the crank where its housed, only the rod bearings need to be plastiguaged, I also got my bearings in and they fit good and snug.
My good friend who built a bunch of engines told me this so i'm just passing it on.

Main crank housing = standard bearings will do.
Rod bearings = you need to use plastiguage, however I heard that some guys built blocks using the specified bearing sizes spun them cuz the tolerances were too right, where as other guys used the green bearings and never had a problem.