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Power Strokes
6.4 Aftermarket
Fuel system discussion
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[QUOTE="78f100, post: 337672, member: 3542"] No I haven't, I need to rig something up so I can see what the airdog will actually maintain at wot. I don't mind buying a hpfp if I need one, just want to make sure I actually need one. I was just thinking out loud, wondering what feed pressure to the hpfp really needs to be and what return pressure should be. I just read the manual again looks like the factory hfcm's regulator is set at 24 psi to the fuel bowl, and 3psi return from the bowl back to the hfcm. It was really late last night when I read it the first time, so it didnt sink in...lol. It looks like to me by having the elite reg at the fuel block maxed out I am returning a large portion of fuel back to my tank right? Which is starving my hpfp at wot. This is the post I got my regulator setup info from, posted by Wayne, I know he makes a living doing this stuff and I am not questioning his skills, he has gave me lots of good info. I may be looking at it wrong but it doesn't make sense to me to max out the reg at the fuel block. " hopefully this helps. when the airdog is installed, you pretty much need to max out the regulator on the airdog base, then nearly max out the aeromotive regulator. optimum desired Elite spec. PSI is 15 at the aeromotive regulator pressure test port. The airdog might not quite produce it." [/QUOTE]
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