| But I was told by a local engine builder (keep in mind I live in a rural town 100 miles from Spokane WA (our closest city)) That the parting line between the rod cap and rod is a quick way to tell of the machining quality in a rod and is critical to a good rod. In fact, Caterpillar (he was a diesel engine builder) forges the rod and rod cap in one piece, then breaks the cap from the rod to produce the ultimate resistance of the bore from distorting under pressure. This is important as the cap bore (either from distortion or hardware failure) is the most common failure in the most stressed internal part of the engine. In the pictures provided it It would seem the Eagle rods have the tightest parting line (I was only able to see it in one of your pictures) the SCAT rods 2nd, and the Carrillo rods 3rd. However, the Carrillo rods proprietary hardware sounds very promising and I would like to see better pics of the the hardware and how the cap meets the rod if you don't mind.
Much of what I wrote about I gathered from this article:
I read too much MotoIQ
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