2.0TD into 1987 VW Quantum Syncro Wagon

[Nevadan]

The QSW really does handle well and the 4WD system is excellent, locking rear and center differentials using a two position vacuum switch. The 2.2 gas engine is tired and using oil and just doesn't run right. And I want an AWD diesel station wagon that gets 30mpg. I have another 1985 QSW 2.2 gas vehicle and it gets a little over 20mpg and runs well. It's basically an unregistered backup vehicle and will be used for drivetrain parts if necessary in the future.

The 2.0TD looks exactly the same as the 2.4, minus the one cylinder, which is why I'm on this site, the veterans here know what they're looking at, and yes, all the tools are the same and I have enough experience with the 1.6's and 2.4 to also know what I'm looking at.

The turbo drain is plumbed into the block so if the bolt holes line up I'll be fine.

The harmonic balancer is the same as the 2.4 and the gas engine uses an electric fan on the radiator mounted beside the engine, you'll be able to see it in the photo's soon.

I will need to get either and Audi alternator bracket or the Volvo bracket to bolt on the passenger side and will post a "parts wanted" add in a few days.

I did find that other thread and read the entire thing a few days ago. The one major concern I had is the gear ratios being to low for a diesel but I'm doing it anyway. It drives 70mph at around 3200 rpms so it will be fine for it's intended use, a ski-mobile, mostly winter driving on mountain roads around Reno.

I'll get some photo's tomorrow and post them with a few questions.

[anders]

Sounds like a cool project!
I met a guy that was trying to do a similar project in yoncalla Oregon, he was hoping to use a d24t, but space didn’t allow so he acquired the 2.0TD to use. He has a HUGE collection of 80’s VW’s and 1.6 diesels.
Anyways, I always have lots of d24/d24t parts of you need anything for the project.

[Nevadan]

Originally Posted by anders

Sounds like a cool project!
I met a guy that was trying to do a similar project in yoncalla Oregon, he was hoping to use a d24t, but space didn’t allow so he acquired the 2.0TD to use. He has a HUGE collection of 80’s VW’s and 1.6 diesels.
Anyways, I always have lots of d24/d24t parts of you need anything for the project.

Good to know you have a lot of that era's engines. I remember ordering some Bosch nozzles from somewhere and giving you a tip on where I got them. I also bought that spare D24T turbo, which is in the picture, from you. I thought it would work on this engine but not to be.

I really like the simplicity of the 1.6, 2.0 and 2.4. No computer. There's value in that for me!

[v8volvo]

Originally Posted by Nevadan

The one major concern I had is the gear ratios being to low for a diesel but I'm doing it anyway. It drives 70mph at around 3200 rpms so it will be fine for it's intended use, a ski-mobile, mostly winter driving on mountain roads around Reno.

I was going to ask what you were planning to do about gearing, but then I didn't because I think you're right, the gasser gearing will probably be fine as is. These old IDI motors like to rev and there are seemingly no downsides to letting them do it. In the example of the Volvos, the diesel models use exactly the same transmission and rear axle gearing from the factory as most of the equivalent gas models. In fact the diesels are actually geared shorter than some of the NA gassers. The engines are suited by design for fairly high engine speeds, small lightweight pistons, direct acting OHC valvetrain, etc, it was clearly part of the plan for them. Especially true for the original design "short stroke" family like the D24/T and your "D20T" (the 1.5/1.6 4cyl, 2.0 5cyl, 2.4 6cyl). The raised deck generation IDI and TDI motors (1.9/2.0 4cyl and 2.4/2.5 5cyl) with longer strokes are maybe a little less optimized for it.

Anyway if the gas engine is turning 3200 at 70 that seems like it would be just fine with the diesel. My '83 760 D24T with stock size tires and stock gearing turns about 3400 rpm in overdrive at 85mph, which is still too slow to keep up with highway traffic here. But it seems happy to do those revs or more all day, in fact it seems to be capable of quite a bit more, although with the 1983-only 85mph speedo I am not too tempted to explore. Really the ability to rev smoothly and provide a wide power band is one of the neat features of the old IDI turbo engines, and makes them fun to use for hard driving. The later direct injection engines are much more limited on the top end, although their low end response is better. They seem to pretty much run out of breath even before 4000 rpm.

[Nevadan]

I'll answer all your replies tomorrow but here's an update from today.

Some before pictures, first the QSW it's going into, engine bay with the 2.2 gas engine, all stock.

[Nevadan]

And now the pre-teardown 2.0TD, very, very similar to the D24T

[Nevadan]

Cooling system layout.
Existing radiator with current alternator location.


Dual radiator setup from an Audi turbo 100 or something similar




A mystery outlet at the bottom of the new radiator, not sure what I'm going to do with it yet.

[Nevadan]

New radiators from another view


Mystery outlet at the bottom of the new radiator.

[Nevadan]

Existing alternator alignment to the front pulley. For some reason this picture is not showing.



Front pulley of 2.4TD with existing bracket which should fit the alternator relocation.

[RedArrow]

Nevadan,
that TD 5cylinder Audi sounds awesome in the old link. (White car)

In Europe they were called the AUDI 100. Well known nickname was and still is: `The Cigar Audi`. I guess because of the look/length.

Very comfortable and reliable cars (esp that time esp in Europe).
I can recognize that sound blindfolded, in a heartbeat. In Europe they are still often seen on the road as daily drivers. Not just the Cigar Audi but the also another common Audi car: the mid-80s boxy little brother that we know as the AUDI 80.
My dad had one of those 1.6 gassers and a 5cyl diesel too.

Was it you looking to build a plug-in type (made in Canada for VWs) diesel block heater into your new diesel build Audi project?? or did I read it elsewhere that someone was looking for one? Still?

I`m glad to give you one if you cover the shipping fees from zip 07208.

You can PM me here via the forum.