Keith Browning Posted July 12, 2011 Share Posted July 12, 2011 Okay, so I wanted to answer a question at the monkey house and then I had a major brain fart. I don't remember where the relief valve for the hight pressure system of a 6.0L is. I remember something about it being built into the IPR? Or is it in the pump? I cant find any detailed information on either part. Quote Link to comment Share on other sites More sharing options...
Bruce Amacker Posted July 12, 2011 Share Posted July 12, 2011 I'm almost positive there's a relief valve built into the V4 pump set at about 5000psi. I've deadheaded the IPR before and that's about what I measured as it opened and closed. (There's a DTS post about this several years ago) IH uses a IPR blockoff plug tool on the DT for diag so you can bet their relief is not in the IPR, which IIRC is the same PN as a late 6.0. I'd guess the early pump is in the same place, but I don't remember any relief in the IPR. Quote Link to comment Share on other sites More sharing options...
Keith Browning Posted July 12, 2011 Author Share Posted July 12, 2011 Yeah I don't know why I was thinking that... about the IPR. But I was shocked to find NOTHING as far as detailed info on the pump. I guess there is no need for it like the 7.3L pumps. Thanx for th info... got any cutaways on this? Quote Link to comment Share on other sites More sharing options...
Bruce Amacker Posted July 12, 2011 Share Posted July 12, 2011 IPR plug pic from archives: Quote Link to comment Share on other sites More sharing options...
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