EBPV delete
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,112
From: Rio Rico, AZ.
I used my EBPV as a brake until it started leaking. Decided that dealing with lugging that turbo out over the top of the engine VS dealing with no exhaust brake maybe once a year clinched it for me. Bought the delete pedestal and bellowed up-pipes and installed them. Never looked back. Plus, living in AZ now, when will I ever need it?
Tuned
Joined: Jun 2003
Posts: 465
Likes: 53
From: Connecticut
My DP Tuner came preloaded with an exhaust brake "Decel" tune. I've tried it and haven't noticed much of a difference...of course, at the time I was pulling 10k# down a 7% grade so I wasn't expecting much...
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,112
From: Rio Rico, AZ.
Tuned
Joined: Jun 2003
Posts: 465
Likes: 53
From: Connecticut
I went down to 2nd with the EBPV, and it helped a lot (foot off from there), but I don't know how much was the downshift and how much was the EBPV. I'll try it both ways next time, see if it's a noticable diff.
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,112
From: Rio Rico, AZ.
It makes somewhat of a difference at best. One of the reasons I decided to delete it.
Fleet Mechanic
Joined: Aug 2010
Posts: 1,461
Likes: 158
From: Sedalia, CO
Yeah, I'm pretty pleased with mine, and it's why I still have my EBPV. Remember the truck crash near Denver a couple of years ago that killed four people in a huge fire? I can tow down that grade with the EBPV brake engaged, still in OD, and never touch the service brakes. When I need them at the bottom, they are nice and cool. One can't have leaky up-pipes though, and the valve has to actually work. I suspect many that are leaking do not. With my brake engaged, and TC locked, EBP is in the 40's.
Mark
Mark
Lead Driver
Joined: Dec 2006
Posts: 7,093
Likes: 147
From: San Diego, CA
No need for any beef for the HPOP. The stocker is more than enough to run stock sticks as Easy Eddy mentioned.
I'll take SkySkiJason's recommendation of new o-rings for the fuel bowl drain valve and raise it to rebuild the fuel bowl "while you're in there".
I'll take SkySkiJason's recommendation of new o-rings for the fuel bowl drain valve and raise it to rebuild the fuel bowl "while you're in there".
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It's a Van Gogh
Joined: Feb 2010
Posts: 7,813
Likes: 1,335
From: Elk Grove, CA
One pain of an EB tune is when you are in that tune, that's all the truck will do. The go pedal is dead. To accelerate you need to switch tune. I put the EB tune between my light and heavy tow tunes for that reason, always just one click away. EB tune is best suited for when you need it, long grades.
If you get cheap uppies like my Dormans be sure to dry fit the collector to the turbo on the bench. On mine the alignment pin was mis aligned, so I had to hog out some material to blend them smoothly.
Hope we helped you decide @smitty59
Fleet Owner
Joined: Jun 2004
Posts: 25,090
Likes: 1,112
From: Rio Rico, AZ.
I won't argue that I couldn't tell a difference, and bottom line, I wouldn't mind having it back. What my experience came down to was I needed it so infrequently that it came down to deciding what I wanted to do without less; an exhaust brake for those occasional trips down a mountain pass with my trailer in tow, or an annoying oil leak that needed attention on a regular basis.
Butt-Head
Joined: Apr 2004
Posts: 9,453
Likes: 2,936
From: Reed Point, MT
Again, and not to be argumentative, but all of these leaks that people have.....I just don't get it.
If anyone is so inclined to really get into the flow path of the oil in a pedestal, it's not hard to figure out why one COULD leak, but also to find out why.
I haven't seen it all for sure, but having owned 9 (still have 7 and a week from an 8th), and maintaining another 9 for nearly a decade......NOT ONE has/had LEAKED from the backpressure valve actuator. Sure, there's been the telltale discoloration and dust accumulation but nothing running out. I'm not saying anybody is full of it or lying but I just don't see it being THAT common. It can't be from an overuse issue as all of mine serve double-duty every time they get used (cold warm-up AND exhaust brake). It's like a seatbelt for those who wear one: Every trip, every time.
If anyone is so inclined to really get into the flow path of the oil in a pedestal, it's not hard to figure out why one COULD leak, but also to find out why.
I haven't seen it all for sure, but having owned 9 (still have 7 and a week from an 8th), and maintaining another 9 for nearly a decade......NOT ONE has/had LEAKED from the backpressure valve actuator. Sure, there's been the telltale discoloration and dust accumulation but nothing running out. I'm not saying anybody is full of it or lying but I just don't see it being THAT common. It can't be from an overuse issue as all of mine serve double-duty every time they get used (cold warm-up AND exhaust brake). It's like a seatbelt for those who wear one: Every trip, every time.
FTE Leadership Emeritus
Joined: May 2014
Posts: 27,354
Likes: 5,946
From: Lake Hartwell, GA
The EBPV actuator on my truck leaked (small leak that I could not see flowing with engine running) when I bought it nearly a decade ago. I verified the exact location by cleaning the pedestal very well and looking closely at the suspected leak points.
Although, it was a truck that was purchased in Louisiana and hauled horses back and forth to Texas. Perhaps the "lack of use" of the EBPV and the PCM stock programming which I would suspect did not allow for the EBPV to be utilized much caused it to leak. We all know that these engines like to be run and used, not sit for long periods of time. Perhaps it is the same thing for the EBPV even on a vehicle that worked for a living.
Cody, we know your up in MT and I would suspect that the EBPV on all of the 7.3L's you have worked on or owned have many, many chances to utilize the EBPV on a regular basis. So, the problem of leaking may not be caused by overuse, but lack of use.
Just a thought.
Although, it was a truck that was purchased in Louisiana and hauled horses back and forth to Texas. Perhaps the "lack of use" of the EBPV and the PCM stock programming which I would suspect did not allow for the EBPV to be utilized much caused it to leak. We all know that these engines like to be run and used, not sit for long periods of time. Perhaps it is the same thing for the EBPV even on a vehicle that worked for a living.
Cody, we know your up in MT and I would suspect that the EBPV on all of the 7.3L's you have worked on or owned have many, many chances to utilize the EBPV on a regular basis. So, the problem of leaking may not be caused by overuse, but lack of use.
Just a thought.
Super Moderator
Joined: Dec 2011
Posts: 13,323
Likes: 6,097
How bad does a leak have to be to need attention on a regular basis?
Was oil running out?
Or was there just a witness film of sooty grime covering the area?
Was oil running out?
Or was there just a witness film of sooty grime covering the area?
Butt-Head
Joined: Apr 2004
Posts: 9,453
Likes: 2,936
From: Reed Point, MT
The oil drain for the turbo goes right past and underneath the hole where the rod comes out. It is not actually sealed by anything other than a plastic "shield" of sorts that might keep bugs out. The orifice on the pressure side of the piston (where the plug and snap ring are located) is TINY and even if the seal on the piston were to leak, the drain should be able to easily pass the oil and not have it run out of the EBPV actuator rod hole. I'm not pretending to know why people get gushing leaks out of the hole but it almost has to be either a blockage in the drain below the rod hole (unlikely) or excess crankcase pressure finding a path out through the drain out the hole....also hindering flow.