Any comments?


Here is a discussion which you may find interesting:


Now the question is why to do this when, the Steyr Puch Syncro system, especially on a t3, especially with it's dual lockers, (and some light modifications, where and if needed), is better than Quattro.

You are welcome at: , when you can find, between others, some comparisons, Syncro/Quattro, Syncro/Haldex.

Of course, the comparisons here do not fit exactly, because they are for front engine cars, with the main drive at the front and the secondary, (VCT), drive at the rear. In the case of the Vanagon, the Syncro system, with a payload of, (about), 1 ton, the ideal drive is as it is, with the rear main drive through gears, (and not VCT), which means, the more you load it the more traction you have, vs a VCT, which has a lower potential to transfer the torque, as this inadequacy is obvious to a Eurovan Syncro.

On the other hand, what is a Vanagon Syncro without "Gelande" gear?

Andrew flint
Better? Maybe for your use it is better. A lot of guys don't used their Syncros for heavy off-roading and want the advantage of Quattro for use in the snow or rough gravel or fire-roads to get to a great camp-site.

 The big advantage is now it uses the easily available and affordable 5 speed transmission.

 No more searching for the stock syncro transmission, they are getting very expensive and hard to find. Also it has very nice gearing for highway use.

Here: ,you can see some narrations of two persons who use alternately quattro-syncro, (syncro with edl on the front and free rear diff), cars on snow and, both, have the feeling that quattro on snow is inferior.

 There is a technical reason for that, which is that the Syncro system simulates the behavior of a central differential which has the one output, (front or rear depends on the car architecture), always locked and the second output locked at the extend needed and when and where is necessary.

This behavior is tremendously efficient in all the cases without exceptions.

 Quattro system has no solid connection to the one, primary, axle, as Syncro does, and this is already a bottle neck for the transfer of the torque/power.

On the other hand, as you can see in the videos of this link, under specific circumstances, cannot decide to send the power where is really needed.

In order to have better gearing for the high way you can, easily, change some gears, in conjunction with a high power motor, not only for the economy but making them stronger, too.

Now if the Quattro is cheaper, o.k., this is a good reason to choose it.

Forgot to mention, as a matter of historical fact, that the Steyr-Puch Syncro vw, (Steyr: a synonymous for the construction of military vehicles), tested against the first Quattro, the Iltis, when presented to the German army, and its capabilities, as a 4x4 vehicle, found to be much higher than those of the Iltis.

Syncro's t3 superiority against Iltis is even today found in various videos walking around.

Andrew flint
Maybe it is not for you, I've been using this system on my own Syncro for the past 3 years and 20k miles, I'm very happy with it.

Your work is really unique and it is nice that you are happy with it. Keep going!

Right, and do you know how much a Syncro costs in the US? Maybe in Greece they are giving them away but here they are closer to $30K. The US only got about 5000 Syncros. And even if you have one, the parts, especially transmissions, are becoming very difficult to find. And then you are afraid to use them because you are afraid the parts will break.

 So this guy turned his van into a reliable 5-speed 1.8t AWD, one where he can now get cheap and reliable parts very easily, for around $10K and you are saying he should just go get a Syncro? You are either ignorant of the US market for these vehicles or ignorant in general.

"Ignorant in general" looks nice. I' ll choose it. Thank you.


Here is a discussion you may find interesting:



Here is a dialogue from the You Tube which may interests you:



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