Hot weather is descending on the east coast and a Carrera newbie needs help. I am using my 87 as a daily driver from NYC to New Jersey. What is the best approach to dealing with sitting at the entrance to the tunnels on a hot night? The temp gauge is definitely starting to move upwards.
Should I keep the revs up to increase oil pressure and fan speed? Unfortunately one can sit for 15 minutes or more so there is liitle air flow ..what to do ??

tia
rq

 

Ray...First thing I would suggest is not to worry about it! Porsche developed and tested cars in Death Valley, CA where it can get up to 130 degrees.
If your car has been well maintained, sitting for 15 minutes at idle should not be a problem. If the temp gauge gets close to 250 and you get concerned, turn the air conditioning off, and roll down the windows!
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ray40, you might consider wiring a switch and relay into the circuit so you can turn the fan on when it gets to 220 degrees F. The thermostat in your car doesn't come on until about 245-250 degrees F. Once the temp goes down and you are moving again, turn the fan off.

 

What spider said, and use Mobile 1 motor oil, if you are not already doing so.

 

Ray,

I would be a little careful on the Mobil 1 advice (no offense Matt). I have heard of many cars start to leak once they switch to synthetic oil. I don't think it's an issue on the newer cars (95 and up), but apparently the seals may start to leak with the "thinner" oils.

regards,

 

I used Mobil 1 in my '88 w/o any problems. Great oil.

 

If you can deal with the leaks, switch to synthetic - its just better at reducing wear on internals.

Im close to you geographicly - I sit for up to 10 minutes at a time and my guage will go up to the 1/2 way point - but never over that.

 

Let me again explain about Mobil 1 leaks. Mobil 1 does not cause oil leaks. Just like a pipe that runs molasses through it without leaking might start leaking if water is run instead. No it does not eat seals. It's just that some seals might not be all up to par, but nonetheless still will not leak an oil if the said oil has an inferior flow rate when compared to Mobil 1. What Mobil 1 does do though is reveal the weaknesses in the seals if there are any. Again, this is due to the vastly superior flow rate of Mobil 1. Some cars might leak with it, others not. Mine does not. So you better believe I run it. If it leaks a negligible ammount, I would still run it. If it were a nasty leak, than maybe not. But standard oil should do fine also. Mobil 1 is just extra high temperature prevention with the added advantage of much faster flow at startup. And if unacceptable leaks pop up, just switch back to Castrol, Valvoline or whatever.

In regards to the oil temps, don't worry about them. My friends and I see those temps sometimes during Arizona track days or traffic jams and we pretty much ignore them. Some guys here even keep driving if the needle goes in the red. Yes, their engines still run great. Instead, we concern ourselves much more with pinging since it is capable of much more damage. Don't worry. 911's are pretty damn tough if maintained properly. There simply isn't a sports car more durable than the air cooled 911.
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