Join Date: Sep 2011
Location: Kennewick Washington
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I don't have an answer for you on this one. I can tell you that, if I'm pushing my (virtually stock) 2000 F250 hard, I can get up to 25 psi. I've had my intercooler tube boots blow off several times at that pressure so I try not to get it up that high. I'm not incredibly diesel fluent so I can't offer much more than that. My point with this- at 15 psi, it seems like you might have other issues. Maybe you have a boot that worked its way loose or have holes somewhere in the system? Good luck!
2000 F250, Automatic, 4" Banks Monster exhaust with power elbow, EBPV delete, AIH Delete, Pyro, boost and Trans gauges, DP tuner, 3.73 Limited Slip, LT275/75R18, Big A55 air filter, 5000 watt power inverter.
Last edited by Mustangman6799; 10-02-2011 at 03:26 PM.