Quote:
Originally Posted by maytag
How do you figure?
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I think a sealed ball bearIng packed with grease that is doomed to be washed away by the oil all around it was a half-assed idea at best. It’s like whoever designed the engine thought they were finished designing it, realized they forgot to deal with lubricating a bearing on the back end of the IMS and stuck the sealed bearing in there because it was too late to put an oil galley in the block to lubricate a tried and true plain journal bearing. At least LN and Flat Six studied the problem and came up with the open bearing with ceramic balls that should continue to function with splash lubrication. Nothing is always 100% perfect but they tried to improve on the design a lot of owners were already stuck with. Porsche’s ultimate answer was to eliminate the IMS entirely in their next generation of flat six engines.
Well that’s what I think, I’m not an engineer, but it’s my opinion.
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