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Power Strokes
7.3 Aftermarket
Unlimited vs Swamps
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[QUOTE="Charles, post: 27562, member: 103"] Look at the nozzle sizes on commercial diesels like OTR tractor engines, or even the IH 466 and 530's that we steal parts from. You don't see them running tiny little nozzles on the higher power versions. And we're talking power in the 2 to 300's on those IH engines. And they make power at lower rpm too. Yet the engineers found the larger nozzles more efficient for that power range. If the powerstroke had been designed with more than 235hp in mind, it would have received much larger nozzles too. Even though the stock nozzle [i]can[/i] make well north of 100 additional horsepower. If they had intended the truck to run at that power they would have upped the nozzle accordingly, as opposed to stretching things out. Keep your injection duration short and to the point. I think Brian J's MPG numbers in the diesel power challenge on the 400/400's missed the memo on lost efficiency with a tight injection window. [/QUOTE]
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