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Old 08-17-2012, 12:01 PM   #74
Marin
Scraping Paint
 
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Join Date: Oct 2007
Posts: 13,745
Yes, you can use an "extended TBO" program and by submitting oil analyses periodiclally and keeping certain kinds of records and meeting other requirements you can extend the TBO of an engine, even in commercial service, for quite awhile as long as the engine's condition falls within the paramenters. And, in the case of the commercial operator I am very familiar with, running the engines more conservatively helps them get a much longer TBO with this program.
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