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No, brown is basically always ground on German cars.

Don't forget to check your grounds...

Thanks my friend, a friend of mine suggested an extra strap from the engine block to the chassis/body, ...

There are 2 wires at the rear which connect to the pump, a brown and black one, Am I correct to say that the Brown is positive? Also why does the pump still seem to turn when bench tested and wires ar ...

Hi Guys I am 'carbing' hope that sounds right, a 924 and still fiddling with the install as some items such as bolts etc supplied with the order simply cannot be tightened due to restrictions from the ...

It seems to be I have no luck with the cis system... will report back once finalized probably on a new topic as i try to keep all my posts as individual as possible. Coming Saturday hoping to fit the ...

You can safely plug the fuel return line.
The stuff near the original fuel pump are not filters, they are fuel accumulators.
Basically a recipient with a check valve. I would bypass those.
Since yo ...

Im fitting a weber set on my 924 and have obviously disconnected the fuel pipes coming from the rear. I have some questions. There is a pipe which is the fuel return pipe, can I just eliminate this by ...

When you are driving, above 50 km/h you have pretty good airflow and the temperatures are slightly above ambient. Driving slower then the temp rises.

If slow traffic is an issue you can try removin ...

May I just say that there is loads of information for the new guys on this forum and its value for those who just tinker or try to explore a bit with with their cars is price less... to those who sha ...

Keep in mind that on race cars, we remove the fan. If you still have one on your car, you already have air blowing across everything all the time. Wasting your time on trying for extra air flow. Th ...

Running with the bottom cover installed is the easiest way to keep air moving through there.

That was removed(previous owner) referring to the bottom cover , should I refit then? Im trying to extr ...

The engine would take a 100 shot, but the issue is the "oldschool" part, you don't have any control over fuel and timing and that can be dangerous long before 100.

So its best to keep to ...

Doesn't seem necessary. We run with stock bodywork, full-beans racing, and cooling is fine. Stock rad, just needs an oil cooler added.

Temperatures here in Malta go 40+ in summer, though my concern ...

I have to admit, if I were a rich man, I'd have at least one 911. The 993 turbo is a car I remember lusting over as a teenager, so that might be the one. Really, the only thing I have against the 911 ...

Has anyone experimented with ideas of how to keep the engine bay cool, extracting the heat from the carb area especially. i was thinking of doing one or two air ways coming from front or bottom of fro ...

Why would you do that?
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Why would I do that... well the car is being set up with the old school type webber kit,,, I am old ...