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Power Strokes
6.0 Aftermarket
Anybody with regulated fuel return read this!
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[QUOTE="Strictly Diesel, post: 446191, member: 1411"] Conceptually it shouldn't, but we all know that concept and reality don't always match. In all the years I've been doing fuel system work I've had a number of customers tell me that their truck ran better at Xpsi instead of Ypsi. There are those people that will just set it where we specify in the instructions and those that experiment and find the "sweet spot". Every customer that ever experimented and reported back was different. Some were lower, some were higher...but all generally settled on something in the 60-70psi range. This tells me a few things. First, not every truck is the same (obviously). Differences in injectors (size, tolerances, age, wear, o-ring condition, etc) will certainly play into this. Second, not every customer is the same. Different people are sensitive to different sound frequencies, volume levels, vibrations and butt-dyno tolerances. In the end, unless someone wants to do dyno testing on multiple vehicles to prove the concept...and then do long term wear results (making sure that the lower pressure isn't contributing to premature injector wear)...the final pressure people end up running will be very subjective and based entirely on how the truck "feels and sounds". [/QUOTE]
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Anybody with regulated fuel return read this!
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