WUR missing after shop stay.

[diverdan]

Just got my 91 C2 Turbo out of the shop. It spent 5 months at a respected Porsche shop in Dubai while awaiting insurance adjustment. (Complicated deal.) Upon trying to start the beast there was fuel smell and a big backfire. Shut down ... removed the intercooler and low and behold the WUR had been removed to parts unknown. Very lucky there was no fire because the body shop could have been toast. My friend had a 944 turbo that was in the same shop 5 years ago and while engine parts were inside the shop the car came back without the cylinder head and associated parts. He made no fuss and got no results. Used parts were procured for about $700.00 over a period of a year or so.

Our host lists a new WUR for $2569.00.

There are not many C2 turbos in this country. Who probably took the part and why? UH, HUH......What happens in workshops in the western world regarding such things? There is very little theft around here and almost nobody does their own work. The community of older Porsches is very very small. Besides a C2 turbo, where could the WUR be used? Am I stuck for a $2600 part?

Diverdan

[RarlyL8]

Don't they cut hands off for that? If not they should.

I would think that you could use any 930 WUR from '78 on. If there is something unique about the 965 that would prevent using a 930 unit I'm all ears.

[AFM744]

I agree with Brian that you could use a backdated WUR. The C2T wur has altitude adjustment, a second bimetallic and a two-stage bimetallic, but these would only be of use in cold climates (probably not a problem in Dubai).
Any WUR will work as long as you set the control pressures.

[A930Rocket]

Good advice by the guys. Can you get a picture of both to compare? Otherwise, it may just take some adjustment with an earlier model WUR.

What about www.specialtauto.com Don't they carry rebuilt WURs?

[9dreizig]

Why screw around?? Get a digital WUR from Unwired Tools...

[diverdan]

Thanks for the advice. AFM, does that mean I can use a WUR from an old M-B or a BMW and just reset the control pressure? That would be a real cheap fix until I realize that maybe somebody did me a favor and upgrade to the unwired product.

Diverdan

[964 T #304]

Don't they have some type of court system in that country to protect people from being ripped off? I would go after the shop that let someone take parts off your car while in their care. Take out an ad in the news paper that you were ripped off and the shop won't stand good for your property. I would the UT digital before I bought any replacement wur. You will love it. It is simple to install and tune.

[billjam]

Originally Posted by 964 T #304

Don't they have some type of court system in that country ...

Yeah, right! It really is "some type of court system". I lived there (Abu Dhabi, UAE) for a good number of years and I understand the problem - both with the courts and the local agent.
In my experience, if you weren't driving a near-new car and your name wasn't Al somebody , the level of service was kinda lacking (and over-priced).

[AFM744]

Originally Posted by diverdan

Thanks for the advice. AFM, does that mean I can use a WUR from an old M-B or a BMW and just reset the control pressure? That would be a real cheap fix until I realize that maybe somebody did me a favor and upgrade to the unwired product.

Diverdan

DD-
Most important objective with the WUR is operating temp (hot) control pressure. Cold CP is less crucial IMHO because we shouldn't be lead-footing it or boosting it when it's cold anyway. I actually removed my bimetallics and have no cold CP enrichment, just the 7th injector. The WUR needs to have a manifold pressure enrichment. I don't know whether this is universal across all Jetronic WURs. Furthermore, the spring preload and diaphram travel of this manifold pressure is crucial. You can cross-reference the CP delta from -1b -> +1b manifold absolute pressure on our WUR to the WUR specs on other cars... but the more I think about this the more doubtful I get. I don't remember whether my Mk1 Rabbit or Mk2 GLi WURs had manifold pressure enrichments. I'm betting a WUR from a Saab 900 Turbo would, but god knows what it's enrichment characteristics are.
So I stand correcting myself, can't just use any ol' WUR. I'd instead go after the shop!!!

[diverdan]

The shop manager has been very personable and i spoke to him briefly today. He says that he has been checking into the matter and will get back to me soon. As a result of speaking with veteran mechanics, it seems that when a car comes into the shop and it needs to get running, an empty parts counter tends to lead to mechanics "borrowing" parts from just about anything standing around the lot. Right or wrong, doesn't seem to enter the equation, only that they want to get the job done, get paid, and get the car off the premisis and back to the owner. My car was a sitting duck. Collision occurred when the shop manager was test driving the car after $6,000 worth of service. It ran great until an errant Toyata Land Cruiser, driven by a Nordic guy whacked it causing it to spin and whack a BMW or two. The insurance companies hashed it out and settled with the owner who settled with the shop and then settled with each other and I bought the car from the insurance company. The car was in the custody of the shop for five months. A fence appeared around the area where the car was stored next to the garage after 2 months. By reading the dust it appears that the unit disappeared after 3-4 months storage.

After reading all of the replies I am convinced of the terminal consequences of getting the WUR workings wrong. The potential fuel savings, environmental responsibility, power and drivability issues justify a correct solution.

Brian: Thank you for your helpful posts particulary on the WUR. At the risk of being blaphemis, your absolutely gorgeous red machine is a real 930. The factory version lacks much of what you have created while it appears that you have added all of this to exactly what every 930 started with.....a standard 911 tub. Then the welding and nut and bolt turning started. Yours in your garage and the 930's in the factory. Brilliant car and you did it. (Even if for a short time it had those hard boy racer seats that you bought from me at a Tweeks meet.)

Thank you, everone.

Diverdan

[RarlyL8]

Haha, you remember those seats. I actually liked them as they were extremely light weight. Trouble was my bony butt couldn't take it long term.

My car is no 930 and the title of "Posermobile" is worn tongue in cheek. The bodywork was done before the engine work, so for a time it ran with a 225HP SC engine.
At 2700lb fully loaded with me in the seat, 300+WHP, and 915 gears she is an entertainment center on very fat wheels.

Your story seems more logical now that the details are known. I've been around many shops that scavange parts from long-term stored vehicles. Not the best practice ...