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Message: [QUOTE="Zeb, post: 1510288, member: 30304"] Here are a few thought and questions. Where are you measuring fuel pressure? At the pump, at the regulator, or somewhere else? The bluing you are seeing is not from egt. It is typically from fuel starvation. Usually when I’ve seen nozzles crack it is from contamination in the fuel, too much pin travel, and/or poor metal quality in the nozzle itself. You say your fuel sample is clean, so that is good. I would expect it to be a combination of fuel starvation to the injectors, and/or a bad batch of nozzles, because I seriously doubt that pin travel has been increased, unless the bottom of the spring cage is worn excessively. [/QUOTE]

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