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Power Strokes
7.3 Aftermarket
Does Anybody Really Understand Our RPM Limitation?
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[QUOTE="Hotrodtractor, post: 37418, member: 25"] I'm lost.... If we are talking about "Understanding our RPM limitation" - then why is higher RPM application not applicable? Its one of those further extremes that are NECESSARY to understand and convey the subject at hand. I'm not worried about 4K RPMs - I did that on 200% tips on the sled pulling track in 2007 and 2008 - how do you think the red truck would have liked today's current crop of off the shelf 400% tips and fast flow mods? I do agree that cylinder pressure limits injector flow - if you're running enough timing and a short enough injection window - you could put in all the fuel BTDC - much like what is being done today on some of the common rail stuff at the track - then it is much less of an issue than when compared to someone with their injection event centered over TDC - so that plays a big role as well - but even though that does decrease the pressure differential across the injector tip - at worst case it might limit flow say 15% under WOT conditions. [/QUOTE]
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Does Anybody Really Understand Our RPM Limitation?
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