I grenaded my slant 6

RustyRatRod said
That's all I know of it's what's available in the FSM and online. I wonder what effect if any full grove mains and an HV oil pump would have? ....and let's not get into the "don't put an HV pump on a slant 6"......let's leave that discussion for elsewhere. I'm just curious of the HV pump and full groove bearings would have any effect on the possible bearing issues. I would think so.

But without data, it's probably just another SWAG. LOL
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When I ran my 170 slant in "stock eliminator" I had no problems. After I milled the head, bigger cam and 500 holley 2 bbl, I started having issues with #5 bearing (always caught it before additional damage). After using full groove mains, no more problems.
PS: stock aftermarket replacement oil pump (not the HV pump), which is HV compared to the OEM pump.