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Nissan diesel engines, and the people who love them
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Post Number:#1  PostPosted: Thu Feb 13, 2014 6:26 pm 
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Joined: Tue Jun 12, 2007 6:32 pm
Posts: 117
Location: Prunedale Ca. 93907
I wanted to share with you guys, or at least start a thread here since I have FINALLY started installing the Turbo onto my LD28 910 sedan.

I bought what I thought was a factory Turbo setup for an LD28, but it turns out its just another L28et manifold modified, but the turbo that was on it was the actual Diesel Turbo... The parts came from Enrique @ Former JESCO in Ceres Ca... He still has SD and LD20 setups, albiet a little pricey for my taste.
Anyway, I have to plumb the oil feed line, and I have worked out that some LD20T(not all) as well as VW 1.9L, and some Cummins use the same style pump as the LD, and that it is possible to fit at least one of the 1.9L Altitude compensators(aneroide) to the LD28 pump top. There are some tricks to this that I dont yet fully gasp and Ill definitely post back when I have that all sorted. Here is what I did today:

I drove the car to my lift as a stock 380K mile diesel...
By about 1pm
Image

Image

It took me that long, because my intake was about 20% or more PLUGGED UP... You will notice I did not plumb the EGR back in, even though the turbo is setup to run egr... Its not worth the buildup! I could have filled a whole quart bottle with the gunk I pulled out. The first three are dry dusty gunk and the last three were wettish nasty gunk... Same amount of buildup on all 6. YUCK.... after I cleaned it all and made sure it was ready to go back together, I made a video of it running without manifolds... which is always a bit strange. I need to upload it to youtube and share it here.

I then finished up the oil drain, and downpipe.
Image

I used mostly Nissan parts to do this... even the charge pipe parts. There is one MB Sprinter tube, one GM Duramax tube, and the down pipe is from a Chrysler Caravan or some minivan exhaust. Im getting anxious to fire it off, but I really need to install a Pyrometer in there as well... It looks like there was a factory fitting on the turbine inlet for this and someone welded it shut.

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Post Number:#2  PostPosted: Thu Feb 13, 2014 8:45 pm 
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Joined: Thu Feb 13, 2014 8:43 pm
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Location: San Diego, CA
Very cool, thanks for posting photos! I dont own a diesel yet but I am about to purchase a 910 Maxima with the intentions of doing something similar, and its great to be able to look at others such as yours for inspiration
You should post a video once she up and running, I'm sure I will have some more questions for you by then!


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Post Number:#3  PostPosted: Fri Feb 14, 2014 10:29 am 
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Joined: Tue Jun 12, 2007 6:32 pm
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Location: Prunedale Ca. 93907
www.youtube.com/watch?v=AE4EIoQ20aw&list=UUdp1CFcVB02J6aP1qBLXhSQ&feature=share&index=1

www.youtube.com/watch?v=7BUY0DrcsXQ&feature=share&list=UUdp1CFcVB02J6aP1qBLXhSQ

There you guys go for now.

Running the feed line wasnt hard. I had the L28et oil feed fitting and line though.

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Post Number:#4  PostPosted: Fri Feb 14, 2014 2:31 pm 
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Location: Prunedale Ca. 93907
Almost forgot. My headgasket leaks near the oil feel to the vacuum pump. I need to address that as well very soon. Its really annoying. It leaves a puddle on the ground after a long drive. I will have to order a head gasket up... I hope that doesnt become a project in itself.

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Post Number:#5  PostPosted: Fri Feb 14, 2014 9:02 pm 
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Joined: Thu May 03, 2007 8:11 pm
Posts: 540
Location: San Francisco
>... leak near feed to vac pump...

I take it you're totally sure that the vac pump oil feed isn't the problem? Mine leaks and seems I recall that fitting as a problem for most of the LD28's.

Rufus

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Post Number:#6  PostPosted: Fri Feb 14, 2014 9:57 pm 
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Location: Prunedale Ca. 93907
Yes, I was fairly sure before I removed the manifolds, in fact when I bought the car I actually replaced the copper washers on the banjo bolt and cleaned the whole thing. So it was plain to see a dry gap between that banjo fitting and the head gasket. Im really hoping there is an oil feed galley around that area and that its just as simple as surfacing the head for gasket fit and replacing the gasket. One can hope! Nothing appears cracked outwardly and the engine has 381k on it now.

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Post Number:#7  PostPosted: Sat Feb 15, 2014 2:11 pm 
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Joined: Sat Nov 26, 2005 7:28 am
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Location: Duvall, Wash.
ISTR that my '82 Wagon (yours, now) or perhaps one of my other Maximas leaked oil up behind the intake, and I thought at the time that it was where the oil line to the alternator was bolted to the block, not the head gasket. I knew I'd have to remove the intake (again!) to get at it, and I wasn't driving it all that much by then.

Yes, diesel intake manifolds that have working EGRs do gunk up. I have threads on both my Sentra and Maxima and cleaning them out.

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Al S.

1982 Maxima diesel wagon, 2nd & 4th owner, 165k miles, rusty & burgundy/grey. Purchased 1996, SOLD 16Feb10
1983 Maxima diesel wagon, 199k miles, rusty, light yellow/light brown. SOLD 14Jul07
1981 720 SD22 (scrapped 04Sep07)
1983 Sentra CD17, 255k, bought 06Jul08, gave it away 22Jun10.


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Post Number:#8  PostPosted: Sat Feb 22, 2014 2:41 pm 
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Location: Duvall, Wash.
Now that I've re-read the thread on the 1981 Wagon I parted out in Jun2008, I see that it's that engine I sold that had a leak in that area.

(click on image for larger)

Image.

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Al S.

1982 Maxima diesel wagon, 2nd & 4th owner, 165k miles, rusty & burgundy/grey. Purchased 1996, SOLD 16Feb10
1983 Maxima diesel wagon, 199k miles, rusty, light yellow/light brown. SOLD 14Jul07
1981 720 SD22 (scrapped 04Sep07)
1983 Sentra CD17, 255k, bought 06Jul08, gave it away 22Jun10.


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Post Number:#9  PostPosted: Wed Mar 05, 2014 6:25 pm 
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Joined: Tue Dec 13, 2005 10:13 am
Posts: 197
Location: Glenville, PA
Nice work and that is a setup to be envious of. What did you do for the oil supply and oil drain to work on the diesel block? Is the L28 turbocharger pretty much the same setup as your turbocharger?

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1982 Datsun Maxima diesel w/ 252k miles
*now off the road as a parts car*


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