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Offline JR

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Re: 3+3 2500
« Reply #400 on: June 03, 2019, 11:48:14 PM »
Check out the youtube videos on the turbo cleaning. Very common issue with the EGR Duramax engines. Thought mine was sticking, turns out it was the tune.
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Offline swbhobie16

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Re: 3+3 2500
« Reply #401 on: June 10, 2019, 01:17:53 PM »
shop started pulling the motor apart. pass side is alright i think. intake runners are nasty. y bridge is nasty. all 4 injectors on that side are out. driver side has back 2 injectors stuck in head. one of the guys said that it may need injectors by looking at the tips. will have them tested and see for sure. but fingers crossed there is nothing wrong with them. i can’t imagine that there is with how well it cranked and didn’t smoke. etc.

thoughts?


Offline swbhobie16

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Re: 3+3 2500
« Reply #402 on: June 11, 2019, 07:42:00 AM »
good thing i decided to do this. will give me an opportunity to clean all intake related hardware.



motor still has cross hatching!! carbon rings will get cleaned up as well.



all oil related surfaces look great. no sludge build up or caking. all very clean.


Offline Bigdave_185

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Re: 3+3 2500
« Reply #403 on: June 11, 2019, 08:22:13 AM »
Looks pretty clean, did you ever come up with a mileage on the motor? Still in sure right?


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Offline swbhobie16

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Re: 3+3 2500
« Reply #404 on: June 11, 2019, 08:36:03 AM »
i have 2 different numbers.

160k on the odometer (that i didn’t see) but was told from the seller.
233k in the fall of 2015 from carfax.

so who really knows..

it ran great. need to load EFI autocal on the computer so i can read ECM data from when it was running.

Offline JR

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Re: 3+3 2500
« Reply #405 on: June 11, 2019, 12:01:13 PM »
Looks great, cept that intake.
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Offline wilsonphil

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Re: 3+3 2500
« Reply #406 on: June 11, 2019, 01:11:01 PM »
are you going to drop the pan look at the mains and rod bearings?

Offline swbhobie16

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Re: 3+3 2500
« Reply #407 on: June 11, 2019, 05:02:38 PM »
really want to get another upper oil pan since this one is corroded so terrible. and possibly a deeper lower pan. or just a new one that isn’t dented (from removal i’m sure)

so when that happens.. may pull a cap and see. 

Offline swbhobie16

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Re: 3+3 2500
« Reply #408 on: June 12, 2019, 05:00:32 PM »
so this is what was found under intake runners



safe to say.. she’s a bit clogged



Y bridge  :cry:



just got back from dropping them off at the machine shop for valve job and a good cleaning. should have it all back by next week..?

we shall see

Offline Flyin6

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Re: 3+3 2500
« Reply #409 on: June 12, 2019, 09:18:56 PM »
That is nasty!

So, for all we D-Max owners, what is the culprit? Oil coking I assume originating from the turbo? The PCV? somewhere else?
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Offline KensAuto

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Re: 3+3 2500
« Reply #410 on: June 12, 2019, 11:47:51 PM »
EGR hot gas mixed with PCV oil=Horrible for a diesel.
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Offline JR

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Re: 3+3 2500
« Reply #411 on: June 13, 2019, 04:26:48 AM »
Blocker plate or remova.

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Offline swbhobie16

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Re: 3+3 2500
« Reply #412 on: June 13, 2019, 06:17:10 AM »
my best guess is PCV mixed with EGR and idling for long periods of time. don’t know about others.. but LBZ PCV enters literally 2” in front of turbo opening (post air filter). EGR is about 1’ before y bridge. so not only does EGR get mixed in with oily air, that same PCV air goes through all turbo piping and IC. ultimately it settles out (condenses if you will) on the turbo boots where they ridge, causing them to deteriorate rapidly.

so.. if you have a trusty 6.6.. my recommendation is PCV reroute immediately (you can see why) and if you’re building a strictly off-road vehicle like me  :laugh:  remove the other part too.

Offline swbhobie16

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Re: 3+3 2500
« Reply #413 on: June 13, 2019, 06:21:06 AM »
it also contributes to the veins in VGT becoming stuck if not driven/actuated all the way through. (from my understanding..)

easiest, quickest way to remedy some of this is with PCV reroute to just dump under the truck. every 18 wheeler you see does the same thing. as well as those silly 6 cylinder inline diesels that seem to last so long.

Offline Bigdave_185

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Re: 3+3 2500
« Reply #414 on: June 13, 2019, 09:15:49 AM »
I had mine re routed to under my truck, the issue I created was white smoke at startup and moderate acceleration, I spent months trying to figure out why I was getting the white smoke all of a sudden

Undid my pvc reroute and the issue instantly stopped

I undid the stupid plug T.  Took 3/4 hose down the block driver side and dumped into an eBay catch can.  From that point on it started to blow white smoke.     

Not sure why, not sure what I did wrong,  it’s all connected back up and I have just replaced elbows a few months back


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Offline swbhobie16

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Re: 3+3 2500
« Reply #415 on: June 13, 2019, 09:28:42 AM »
white smoke like.. out of the exhaust or from under the truck?

that’s weird. buddy of mine suggested i do it as well but made no mention of smoke issues from when he did it on his LBZ.

Offline Bigdave_185

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Re: 3+3 2500
« Reply #416 on: June 13, 2019, 09:47:52 AM »
Out of the exhaust,   I had never found anyone with a duplicate experience.   I am not saying to don’t follow the pCV reroute.   I was hoping someone more educated than me might suggest why or what I did wrong



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Offline JR

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Re: 3+3 2500
« Reply #417 on: June 15, 2019, 03:47:42 AM »
Only you Dave?
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Offline swbhobie16

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Re: 3+3 2500
« Reply #418 on: June 15, 2019, 07:27:02 AM »
how large was your pipe?

(on the motor guys.. come on)

i’ve heard of them being too small or restrictive/kinked which causes a buildup of pressure inside the crankcase. so even though it’s ‘open’ it’s not allowing all of it to escape 

Offline Bigdave_185

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Re: 3+3 2500
« Reply #419 on: June 15, 2019, 09:44:23 AM »
I am not sure on the size it might have been 1/2 or 3/4.   What size do these kits come with?   The length and going into the catch can could have also been an issue


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Offline swbhobie16

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Re: 3+3 2500
« Reply #420 on: June 19, 2019, 06:16:38 PM »
moved some parts around today. clearing out some space in the home shop for another couple 205 builds, along with a dana 80 (regular.. hahah) for the same guy with the dually 60 (still in there.. waiting on a trip back from alaska at the moment)

anywho.. here’s the process.

finally married these 2
















Offline Nate

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Re: 3+3 2500
« Reply #421 on: June 19, 2019, 06:40:38 PM »
that looks absolutely slick
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Offline Flyin6

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Re: 3+3 2500
« Reply #422 on: June 19, 2019, 06:47:32 PM »
It could easily pass for new!

This is, of course, unsettling to me

I'll explain

I like the D-Max and am used to the power the thing produces day in and day out.

I got to drive the Burb with that skinny 6.0 in it again today. We found the leak and parts on order, but drive it I did never the less.

With the 4.88 gears and the cam and the this and the that's, it's downright slow compared to my D-Max. I am wondering that if I turbo charge it, if it will even approach diesel torque then?

I sadly admit it, but I may be looking for one of these for the 02 Burg as well. Just not a gas-happy guy I guess.
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Offline JR

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Re: 3+3 2500
« Reply #423 on: June 19, 2019, 07:03:47 PM »
That tranny needs its own set of wheels!!

Don, just get a darn LBZ for the Sub, stop throwing $$$ at it.
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Offline swbhobie16

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Re: 3+3 2500
« Reply #424 on: June 19, 2019, 07:23:46 PM »
thanks guys. been lots of work and parts hunting. now i have to find a set of injectors for the 6.6 as only 3 of them passed the test. i may have an LBZ motor for cheap that had a knock. will have all accessories and 110k upper and lower oil pan. not building either, just using  parts i need from one to finish the other. we shall see. waiting to hear back as we speak.

don, go ahead and get an LBZ/LMM and be done. don’t be scared of a 2wd. they’re very easily converted. and harnesses can be made for electric tcase. ken in FL with stand alone solutions is your guy.. just sayin.

Offline Flyin6

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Re: 3+3 2500
« Reply #425 on: June 20, 2019, 08:00:33 AM »
thanks guys. been lots of work and parts hunting. now i have to find a set of injectors for the 6.6 as only 3 of them passed the test. i may have an LBZ motor for cheap that had a knock. will have all accessories and 110k upper and lower oil pan. not building either, just using  parts i need from one to finish the other. we shall see. waiting to hear back as we speak.

don, go ahead and get an LBZ/LMM and be done. don’t be scared of a 2wd. they’re very easily converted. and harnesses can be made for electric tcase. ken in FL with stand alone solutions is your guy.. just sayin.
I think I just may. Judging from driving it a little, it just feels puny beside the D-Max. It would have to double or triple in torque to start to curl my lips into a smile.
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Offline wilsonphil

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Re: 3+3 2500
« Reply #426 on: June 20, 2019, 10:56:28 AM »
Are the detent "adjusters" for the shift rails something new I have not seen those before?
« Last Edit: June 20, 2019, 12:52:23 PM by wilsonphil »

Offline swbhobie16

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Re: 3+3 2500
« Reply #427 on: June 20, 2019, 12:23:04 PM »
yessir. they adjust pressure on the spring and ball to allow for a more custom setup for shift resistance.

Offline swbhobie16

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Re: 3+3 2500
« Reply #428 on: June 22, 2019, 08:50:53 PM »
so.. this followed me home today





anybody want it minus injectors..? (don.. don??)  :grin:

Offline Flyin6

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Re: 3+3 2500
« Reply #429 on: June 23, 2019, 09:29:14 PM »
Actually, ah, well, ya, I could be very interested...

Always a sucker for a WTBP (Way too big project)

PM sent...
« Last Edit: June 23, 2019, 10:05:58 PM by Flyin6 »
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Offline Flyin6

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Re: 3+3 2500
« Reply #430 on: June 23, 2019, 09:58:48 PM »
Are the detent "adjusters" for the shift rails something new I have not seen those before?
Phil, I installed them on the SquareD NP205 rebuild... Pics there too.
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Offline wilsonphil

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Re: 3+3 2500
« Reply #431 on: June 24, 2019, 12:04:40 PM »
yea I most likey missed that, I bet someone started talking about 1911 or Sigs or Glocks or how it wasn't painted the right color.

Offline swbhobie16

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Re: 3+3 2500
« Reply #432 on: June 24, 2019, 02:07:00 PM »
more than likely. i believe that i showed them in my build too. they install easily enough. just drop the ball in,  spring in next followed by the adjustable bolt/detent.

it’s essentially an allen head bolt with a jamb nut on it. so it can be screwed further in or out to set pressure on detent ball in the notches on the shift rail. then the nut secures it in place. at least it gives you some adjustability and not just ‘whatever the spring pressure with the bolt all the way down’ is.

Offline swbhobie16

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Re: 3+3 2500
« Reply #433 on: June 24, 2019, 03:40:54 PM »
opinions on turbo wheels?

going to be pulling mine down to clean and inspect/replace bushings and o-rings. thought about swapping out wheels i’d it’s worth it

Offline swbhobie16

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Re: 3+3 2500
« Reply #434 on: June 24, 2019, 10:24:34 PM »
anyone ever seen the guts of a VGT..?

here ya go..


Offline KensAuto

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Re: 3+3 2500
« Reply #435 on: June 24, 2019, 10:31:42 PM »
opinions on turbo wheels?

going to be pulling mine down to clean and inspect/replace bushings and o-rings. thought about swapping out wheels i’d it’s worth it
I think you have to have one on each side...intake and exhaust??

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Offline swbhobie16

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Re: 3+3 2500
« Reply #436 on: June 24, 2019, 10:43:59 PM »
opinions on turbo wheels?

going to be pulling mine down to clean and inspect/replace bushings and o-rings. thought about swapping out wheels i’d it’s worth it
I think you have to have one on each side...intake and exhaust??



 :knucklehead:

you’s knew what i means..

Offline JR

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Re: 3+3 2500
« Reply #437 on: June 24, 2019, 11:21:39 PM »
I have a wicked wheel for mine, just sitting still. Supposedly able to put in on the truck (watch youtube)

Duramax Tuner has a couple of drop in for under $2K, sure there are more.

If you just rebuild I understand there is a SS slotted wheel for the VVT that works better.

That looks pretty clean from what I have seen (pics)
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Offline swbhobie16

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Re: 3+3 2500
« Reply #438 on: June 25, 2019, 06:32:48 AM »
ill take that wicked wheel off your hands.. hah

i watched the how-to in the truck, looks like a pain.

Offline Sammconn

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Re: 3+3 2500
« Reply #439 on: June 25, 2019, 11:35:25 AM »
IN THE TRUCK! No thanks. I’ve had to turn things there. No beuno to dismantle.
I just don't want to wind up missing a digit or limb.  I can sometimes get in a hurry to get results.
Sam

Offline JR

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Re: 3+3 2500
« Reply #440 on: June 25, 2019, 01:10:55 PM »
ill take that wicked wheel off your hands.. hah

i watched the how-to in the truck, looks like a pain.

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Offline swbhobie16

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Re: 3+3 2500
« Reply #441 on: June 26, 2019, 07:40:15 PM »
much more better  :grin:







JR, going to be in touch.

Offline JR

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Re: 3+3 2500
« Reply #442 on: June 27, 2019, 10:06:27 AM »
 :likebutton:
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Offline swbhobie16

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Re: 3+3 2500
« Reply #443 on: June 27, 2019, 11:31:18 AM »
PM sent

Offline swbhobie16

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Re: 3+3 2500
« Reply #444 on: June 27, 2019, 11:37:06 AM »
since the motors out and it’s easier than ever now.. thoughts on water pumps?

mileage on the ones any of you have used..?

get just the pump or pump and housing together..?

Offline JR

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Re: 3+3 2500
« Reply #445 on: June 27, 2019, 12:41:52 PM »
Pump for sure. I have 175 on my stocker, no issues.
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Offline swbhobie16

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Re: 3+3 2500
« Reply #446 on: June 27, 2019, 01:22:44 PM »
just wondering on brands. GM is wanting crazy $$ for it and the housing. (they won’t separate)

rock auto has AC delco for 130. napa is about $60?

they’re just drastically different prices. just curious

Offline Nate

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Re: 3+3 2500
« Reply #447 on: June 27, 2019, 02:14:50 PM »
If you are building for durability and some power, get one that has been welded
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Offline KensAuto

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Re: 3+3 2500
« Reply #448 on: June 27, 2019, 05:59:19 PM »
I'd stick with oem, with housing. Typically last past 100k (mine only went 30k from the factory) :(

I read about the welded ones, or ones with just a steel impeller being better, but out of the 20 or so that I've replaced, it wasn't the plastic impeller that failed, but the seals. Every one of them came in for leaking.
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Offline rpar86

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Re: 3+3 2500
« Reply #449 on: June 27, 2019, 06:02:57 PM »
Tex will likely chime in... but i'll beat him to it. ACDelco has multiple different lines of parts, so what are you actually getting for that $130? Could account for the difference between dealer and rock.
Ryan
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