Re: Oil grooves
The block picture may not be the best it's original babbitt
The caps are NOS, what you would get at the dealer if you were pouring the mains, the factory put the oil wells in already
When I had my engine apart in the 80s I found the rear main crumbled at 3000 miles, there were 2 other people that had the same place do their shortblock they had not been put in the car yet so we had a look ,the first one had oil grooves and wells but the wadding was still in the pipes blocking any oil from the valve chamber the second engine they hadn't even bothered with even drilling the holes let alone oil wells and grooves
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