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My HX40 install

n8in8or said:
I'll see if I can hook some pre and post gauges up later this year. But having said that I feel very confident that I have very little pressure loss across the IC. The reason I say that is because the pressure the gauge is reading at the intake plenum didn't change from before I had the intercooler to after I installed the intercooler. Of course that could just mean that the intercooler and the stock upper intake have the same amount of restriction. Gauges will tell the story.
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The HX40 18 cm2/CKO can be safely run w/o boost control on the 6.5td. You can temporarily tap your boost gauge into the port that goes to the gate controller from the turbo compressor housing for a reading. Unless the boost gauge is calibrated for say 15 psi boost max or lower you may not see a change in the reading at the gauge.
 
On post # 100 I mis-stated the pressure @ your elevation the correct would be 14.25+- psia add the boost on the gauge to this to get your actual aka: pressure ratio.
 
Sorry guys, I didn't get notifications regarding your replies! Yeah I was pretty surprised to see the numbers myself when I replayed the videos - I haven't felt very impressed with the acceleration lately myself. I'm guessing the super cold air did have something to do with it though.....but I'll take it!

I got the new cartridge installed last night. I've only driven 10 miles with it so far and I've taken it easy that whole time so the new bits can get used to each other. So far the highest boost I have seen while driving is 8 psi. I do have some initial impressions though:

1. The exhaust is a lot quieter. This is great actually....it wasn't really loud in the cab before, but after long trips it would get a little annoying (I guess I'm starting to get old). As I've modded this truck, I've been a little disappointed with how I've affected the driving experience - yes I've added more performance, but at the expense of comfort in some regards. So when I make a mod that improves the comfort of the drive it makes me very happy.

2. The boost is now higher at 60mph. When I took it for the first drive last night, I did a couple miles of steady state 60mph driving and the boost gauge registered 2.5psi when it was registering 1psi before. This is the opposite of what I expected with the 10 blade turbine, so I'm guessing that must be just how much more air the billet compressor wheel slings? I was hoping to run lower boost at cruise because I reckoned that would give me better efficiency. I'm just guessing though I guess. I'm taking a trip to Detroit in a week to go to Autorama so I'll see what kind of mileage I get on that trip. Also I'll keep an eye on cruise boost as everything breaks in - if anything I would expect it to go up, but we'll see what actually happens, if anything.

3. The building of boost seems more linear. The lower boost that I have been creating seems to come on at more of a steady state now and in fact I feel like I have more boost at lower rpm now. When I went up a couple hills it seemed to bog down less when going up those hills. It could just be me though, I'll know more as I go on a couple other roads.

4. ......I feel like there was a 4th thing I observed, but now I can't remember it. If I think of it I will post it up.

And finally, it's a good thing I did this project - the old cartridge was shot! The first turbo died a premature death from the coolant in the oil.....that makes sense. This one has been on for a year, with frequent oil changes, and it still died. It was a different brand from the first....and from what other 6.5 guys have run so I guess it's not a great brand. Not sure. Anyhow check out this video.....


Here's a pick of the billet beauty in its new home. I can't wait to drive this thing some more!
New Home.jpg
 
That wear is strange mine is nice and tight (same brand) if I remember right yours was balanced better then mine too. Do you have the oil restrictor on the oil feed, or? Did you use a Holest/or CKO HX40 cartridge rebuild kit?

The extra turbo flow will make for much less backing down in hilly areas. As your MPG's go there maybe and increase w/o changing tune at that boost level.
 
FellowTraveler said:
That wear is strange mine is nice and tight (same brand) if I remember right yours was balanced better then mine too. Do you have the oil restrictor on the oil feed, or? Did you use a Holest/or CKO HX40 cartridge rebuild kit?

The extra turbo flow will make for much less backing down in hilly areas. As your MPG's go there maybe and increase w/o changing tune at that boost level.
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I'm pretty sure it's a CKO rebuild kit. I'll be keeping track of the condition of it for sure going forward. I don't have a restrictor in the oil feed so it should be getting plenty of oil flow. Weird.
 
Oh I thought of #4: sitting at idle now, my EGTs are only 220F. I didn't really document them before, but my recollection is that my idle EGTs were more around 300F.
 
FellowTraveler said:
That wear is strange mine is nice and tight (same brand) if I remember right yours was balanced better then mine too. Do you have the oil restrictor on the oil feed, or? Did you use a Holest/or CKO HX40 cartridge rebuild kit?

The extra turbo flow will make for much less backing down in hilly areas. As your MPG's go there maybe and increase w/o changing tune at that boost level.
Click to expand...
Oh I just remembered: my first turbo was the same brand as yours, but my second turbo (the cartridge I just took off) was a different brand.
 
Nice work.

One thing I have to pick on you for though ;) I hate videos where the person is as quite as a mouse. Talk to us! tell us what were looking at. Most of us know but some may not. Its not just you by any means I see so many videos that I sit there trying to figure out what is trying to be shown or could have got a lot more info if the person would say a few words.
Complaining over.
 
Burning oil said:
Nice work.

One thing I have to pick on you for though ;) I hate videos where the person is as quite as a mouse. Talk to us! tell us what were looking at. Most of us know but some may not. Its not just you by any means I see so many videos that I sit there trying to figure out what is trying to be shown or could have got a lot more info if the person would say a few words.
Complaining over.
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Noted Leroy. And I'll use my most seductive voice too ;) But seriously I do get it and I will work on that. :)
 
ak diesel driver said:
Worst part is where did all that bearing debris go!?
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Yeah. My last oil analysis they were surprised at some of the junk they found. I thought it was still metal from the partial rebuild and not having the galleys washed, perhaps this was a bug culprit. I'm going to send another sample to them in a few hundred miles and I will be sure to note the failure of the old cartridge and that I'm breaking in a new one. Hopefully future UOAs look better.
 
I bet looking back at the numbers you'll see the progression. Hopefully now they fall back in line. Maybe spin a filter on half way between next change just to play it safe? Might not help, but make you sleep better.
 
Will L. said:
I bet looking back at the numbers you'll see the progression. Hopefully now they fall back in line. Maybe spin a filter on half way between next change just to play it safe? Might not help, but make you sleep better.
Click to expand...
Unfortunately I've only had 2 analyses done, and only 1000 miles apart, so I don't have enough info to establish a trend. Not a bad idea doing an early oil filter change.
 
I haven't had a chance to do a series of follow up videos due to a combination of weather and a busy schedule. I finally got a chance today, but it's 56*F out, which is 34* warmer than my baseline videos! This weather pattern is going to hold for the next 2 weeks and I need to get crackin' on the header installation so I had no choice but to do the videos today.

I'm not sure if many conclusions can be made from these because of the big temperature difference, but here they are none the less.

Here's 0-60 watching the EGT and boost gauges

Here's 0-60 while watching the speedometer

Here's 0-60 watching IAT

Here's cruising on the highway first at 70 then at 80. Unfortunately it's pretty hard to read some of the gauges and IAT is virtually unreadable. My apologies

Here's EGT, Boost and IAT at steady 60mph cruise.

So right now, it's not very impressive by the numbers, but the reduction in interior noise alone was worth the change. However I truly feel like I will reap the benefits of these wheels once I have more fuel and the boost pressure turned up. I really wish I could have done the testing at the same ambient temperature because I really feel it would have shown results in the videos.
 
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