Jim, based on a similar bad experience I had, I'd be more inclined to blame the shop than the oil.
I had a local shop do machining on a Chevy engine. As normal, they hot-tanked the engine first. But, like your shop, they didn't remove all the gallery plugs and flush/brush the galleries out. Luckily I noticed when I got it back. I removed the plugs and found a large amount of sludge behind them that had been softened to a semi-liquid by the caustic cleaning solution. I shudder to think what that stuff would have done to the new bearings as soon as the oil started circulating.
Malcolm
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07-02-18, 01:31
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