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EBPV gut, and turbo pedestal upgrade. EGT question. with pics

47268 Views 39 Replies 8 Participants Last post by  copracr
I'm gutting my EBPV and replacing my pedestal with a non ebpv model.

While gutting the ebpv I was thinking, would it be a good location for an egt sending unit?

I've never installed an egt sensor, so I don't know how large they are, or what the recommended location is. I think I've heard of the DP being a good spot for one. But since I have a hole to fill in the EBPV, could I stick a sending unit in there?

Or is this location not going to provide an accurate reading?


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I know this is an old thread, but I am new to the powerstroke community and have been doing a lot of searching. I figure when questions I have come up most of them will be applied to older threads.

I am considering doing the EBPV gut and pedestal trim mod. I understand the pressurized oil port into the cavity and the drainback port. The EBP solenoid activates that flow based off of what the EBP sensor tells it. I might even think of a way to pull the EBP solenoid and plug that hole, also.

What concerns me most is the trough type port mentioned in the quote below. Since that end of the EPBV cavity is not sealed, I am wondering if it is a makeshift vent for the oil passages (kind of like a crankcase vent). I am worried that plugging this hole could create some pressure in the passages and make oil leak somewhere it shouldn't.

Any thoughts?

Plus, have you had any problems with this mod, since it has been over a year?

YES :thumb:
The turbo needs oil for sure, but it doesn't get it from the EBPV actuator cavity.

On the snap side of the cavity there are 2 ports, one is for incoming pressurized oil, and the one on the bottom of the cavity is for drain back when the EBPV is de-energized. Then there is the trough typy cavity at the rear of the ebpv cavity, I can only guess at what this one is for. The trough cavity exposes the drain back from the turbo. I don't know why it would be open to the plunger side of the EBPV, which is not sealed. This explains all the crusty oil build up on the shaft of the plunger, and then also all along that side of the turbo pedestal.

So some one please slap me if I got all this wrong :punish2:

I'm pretty sure I'm ok to seal all these up and not affect the turbo oil flow. At any rate, it's to late to turn back now. I'm going to putty up these holes and if it turns out I'm wrong, I'll buy a new pedestal :dunno:
Nice, that is what I was planning on doing. How long have you been running it? I still wonder about welding up the slotted area. Like I stated in my first post, I wonder if it serves at a make shift vent.??? If so, you will have some pressure build up and have some leaks probably around the turbo.

I just did the same thing, gutted the pedestal, and I had it WELDED up, by a good aluminum welder...there are 4 passages :

1 - the solenoid (vertical) shaft - weld it closed (remove nut - pull solenoid out)
2 - the long sloted area over the drain-back passage - weld it up, being careful not restrict it
3 - the tiny round hole - this is a PRESSURE port into the cylinder cavity that you sawzalled off - weld it shut.
4 - small rectangular hole just above pressure port - weld it shut.

that will, (and in fact DID it for me) do it for leaks and LOTS more room to get at the pesky passenger's-side rear pedestal bolt. :D
Aha, makes sense. Thanks for your help.
As I think about this more and more, I think about the EBP system as a whole. Since we are taking away the EBP actuator and regulator there is no need for the EBP sensor that is located up by the HPOP resovoir. Not needing that means that we can pull the tube that goes to the right exhaust manifold and plug that hole also.

But, will unplugging the EBP regulator and EBP sensor give a CEL?
Sweet, that is exactly what I was looking for.
I thought the MAP is what determines load for the PCM.
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