Originally Posted by SaabTuner
I've been leaning towards the belief that it has more to do with the lack of balancing in Subaru motors. No engine builders for Subaru can completely balance the rotational and reciprocal mass as they would in an inline engine because there's no room for large enough counterweights. I have a hunch that extra oiling holes are a band-aid fix for a problem which has little to do with the oiling itself. Poor balancing could certainly cause enough twisting on the crank to make the oil-film fail.
But this is just a hunch ...
i agree with this theory, i rarely see these engines getting a proper balancing