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Old 10-26-2018, 06:38 PM   #21
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City: Nanaimo
Vessel Name: former owner of "Pilitak"
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Hi Gordon,
Even though you "solved your issue", and I have had similar "brain farts", you might want to check out sbmar.com. It is a website run by Seaboard Marine in California, but Tony posts tons and tons of free, really good information, particularly for Cummins engines (which I have , 6BTA). At wide open throttle, you should really aim for about 2950 rpm. Check out his site, he explains why way better than I could, and describes the full process to check this out properly.

Regards,
Tom
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Old 10-26-2018, 08:49 PM   #22
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City: Hampton, va
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Thanks Tom. I have been to his site plenty and subscribed to boat diesel when Tony was moderator. I’ll go back and look, but the manual calls for 2800 top rpm.

Gordon
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Old 10-26-2018, 09:45 PM   #23
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I rarely operate, even briefly, at wide-open throttle [2400 RPM] (usually operate at 43% [1800 RPM] load and occasionally at 72% [2200 RPM]. The only time max RPM wasn't achieved was when the fuel filter needed replacement.
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