Quote:
Originally Posted by Richard Knight
My answer may cause some heads to explode ! I did hundreds of Babbitt and align bore jobs with no grooves in the caps. If those bearings where align bored and there is clearance the oil will go there. I hit submit with trepidation. Rick.
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I’ve said this same thing before and was immediately dismissed and attacked by the “experts”. The oil grooves are not needed.
A lot of industrial engines run splash oiling, have higher compression, run all day long at 3600 rpm, and usually don’t even have rod bearings. They run aluminum rods right on the crankshaft, and do not have grooves. If an engine is setup properly, grooves aren’t needed.