JoostE

Just curious; if you are able to add so much extra power and torque to the cars engine, what will that do to other parts of the car like the gearbox, brakes and so on ?

Do you upgrade these also ?

I saw a similar problem with noise related with the AC.

A quick solution was to fill the system to the max, however that solved the problem only temperarly.

In this case both the front radiators were replaced to solve the problem.

The rears will fit exactly like OEM. Im running

295 30/r 18 BBS with an ET63. On 11 inch wide rim. No issues.

The fronts per your spec are about at turbo wide body spec.

My fronts are 8 with an ET50 and there is plenty of turn radius and damper roon.

Pushing the wheel further out with an ET40 plus that extra 1/2 inch may rub depending on your ride height.

I certainly wouldnt try also adding the shims to this mix

I ve seen 19" inch/ 295mm rims on a C2 making contact with parts of the wheelmount when the springs are fully pressed (rear tires). You should take that into consideration.

As I understand for a C2 the max tire size is a 18" with 265mm tires.

The 19" did look nice though .....

As I browsed around the internet, mainly because of items I read on this forum, I was wondering;

- how many members have their own durametric software and how often do you use it ?

Joost

An update and perhaps for future reference:

Allthough the engine was running smoothly, further diagnostics indicated that there is a problem with the variocam. The conclusion of the mechanic was that this part needs to be replaced. With the replacement part there were no more errors in the read-outs.

Thanks all for your advise. All the best, Joost

I suspect that variocam is not working properly on my 1999 996 C4 6-speed coupe. The car drives 'ok', no fault codes are reported but Durametric indicates no cam variance on bank 2. Is this normal? Indications show that bank 1 cam angle varies as the car is revved, but not bank 2 (the readings show zero). If this is a problem, what is the likely cause? Is it something that I could undertake myself? It might be my imagination, but the car seems to have less power at low RPM. Maybe I am imagining this, but there is a massive surge of power at about 4500rpm. Thanks in anticipation of a helpful reply! Paul G

Hi Paul, what was the final conclusion for you car ? Were there problems with the variocam ?

Although rare, an erroneous variocam fault code can also be caused by a faulty DME. I've experienced this first hand and have also read about others who have encountered this as well.

Thanks Iogray for your reply.

What was the solution to solve this, was the DME replaced ?

Are there other indicators of a malfunction of the variocam besides the read-out at Porsche ?

You should be able to read the VarioCam settings on the Durametric software as well.

Thx JFP; At the PPI they didn't mention anything about a Durametric readout; I do not own such a kit. It was just written on the report the gave me - I didn't see the actual read-out.

As I understand correctly from your answer; variocam errors are only noticable from digital read-outs ? There are no other indicators ?

Thanks JFP for your answer.

I had the 996 checked by Porsche this week, they told me about this as a read out of the on-board computer. The car is in very good shape, both interior and exterior. There is no light on the dashboard blinking. The history of the car is available, it has been checked on a regular base. The oil has been changed recently.

In the Netherlands they keep track of every (recent) cars; the kilometers a car has driven is stored central when it is being serviced. Only in the early years of the car a lot of kilometers were driven with it. The last two/ three years only 1.200-1.500 km per year the car was used. It is not a car which is imported from another country; the car came straight from the factory. A history booklet (Porsche standard booklet) is available which service dates and locations.

The last few years a lot of Porsches 911 are being imported from the US.

> You mentioning replacements of parts to solve the problem (If this is in fact the cause of the error), are these replacements expensive ? I can't do it myself.

> Are there besides the read-out of the on-board computer other signs which are a indication of the seriousness of the problem (besides oil and oil filter) ?

With a good service record history, the car should be sound.

To swap out the VarioCam unit or solenoid, it requires special tools (cam holding device) and removal of the cam cover on the side with the fault. This is not a difficult procedure, but it is a bit time consuming. As I do not have access to your local parts pricing, I would suggest asking your dealer's part department for pricing on both the VarioCam actuator and solenoid to get an accurate assessment of what it is going to cost.

Thanks again for your reply. Before the check this week, the car was checked and some repairs were made recently at another Porsche garage/ service point (concerning the AC unit and new tires and brakes). For some reason they didn't follow up on this problem with the variocam. I haven't been able to check with this service point for the exact reason.

At the check this week the couldn't tell me more besides the read-out.

Although rare, an erroneous variocam fault code can also be caused by a faulty DME. I've experienced this first hand and have also read about others who have encountered this as well.

Thanks Iogray for your reply.

What was the solution to solve this, was the DME replaced ?

Are there other indicators of a malfunction of the variocam besides the read-out at Porsche ?

Thanks JFP for your answer.

I had the 996 checked by Porsche this week, they told me about this as a read out of the on-board computer. The car is in very good shape, both interior and exterior. There is no light on the dashboard blinking. The history of the car is available, it has been checked on a regular base. The oil has been changed recently.

In the Netherlands they keep track of every (recent) cars; the kilometers a car has driven is stored central when it is being serviced. Only in the early years of the car a lot of kilometers were driven with it. The last two/ three years only 1.200-1.500 km per year the car was used. It is not a car which is imported from another country; the car came straight from the factory. A history booklet (Porsche standard booklet) is available which service dates and locations.

The last few years a lot of Porsches 911 are being imported from the US.

> You mentioning replacements of parts to solve the problem (If this is in fact the cause of the error), are these replacements expensive ? I can't do it myself.

> Are there besides the read-out of the on-board computer other signs which are a indication of the seriousness of the problem (besides oil and oil filter) ?

Thx boxter-s-dk for your reply. Are errors concerning the variocam such a serious issue that you would advise me not to buy this particular car ?

Porsche indicates this as 'an active error in the variocam system' when I had the car checked for their advise. The car is driving fine for all I can see. Can this be a software error, or does it have something to do with the electronics, or perhaps a mechanical problem ?

The car is from 07 '98, it has manual gear box and it has driven 101.000 km.

Hi, I'm new to this forum and would like to discuss a subject concerning the variocam in a '98 C2 996. I want to buy this car, the only issue is that the onboard computer shows an error/ report concerning the variocam. I had the car checked at Porsche, they told me about this. The engine is running fine and there are no other problems with the car.

Is it safe to buy this car, or should I have the seller to check/ repair the error ? The seller is providing a 3 month warrenty, but I won't use the car on a daily base.

What would you advise me to do ?

Joost