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Message: [QUOTE="atc500, post: 1553886, member: 14283"] The ipr is maxing out 85%. The pump Is a New thumper II I’ve already been through my stock pump which held more Icp then the thumper I. Now I have a thumper II which is holding better Icp then the other two but it’s still not holding max Icp about 3400psi, the engine is calling for 3900+psi I’m about 500psi low the way I see it there is more efficiency/power to be had, so I believe either I have a high pressure oil leak or possible the low pressure side has some kind of blockage? But like I said I’ve air tested the system directly through the ipr port and had zero leaks even after 2hrs on a hot motor [/QUOTE]

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