I'd been breaking in the engine (GX-5R), and have probably ran 2.5-3 litres of fuel through it, and had it out of the car for other reasons, so I took the time to replace the conrod. When I looked at it, the upper hole in the conrod seemed slightly oval. I measured it at 4.08mm top to bottom, and 4mm side to side.
Was this conrod really in need of replacement or not?

I had bought a new conrod, but it is not exactly the same as the original one.
The original one had two oil holes in the top hole, one from the top and one from the bottom.
The new one only has a single top oil hole in the top. Does this matter? It is a genuine Go Engine part, I figure there are probably revisions of these.

Any ideas?

Next time I was thinking to use the slightly 2nd hand conrod I have now from the break in, for the next break in? would that be allright? Then I don't have to waste another rod?