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Engine Warm-Up

dtroughton

dtroughton

PCGB Member
Member
I'm really careful not to push my car hard until it's properly warmed up.

Is the temperature gauge an adequate indication of the engine/oil coming up to temperature or should I be looking at the oil pressure gauge as well? If so, what should I be looking for?

I'm using Mobil 1 0W40.
 
I wouldn't trust the Gauges much at all on these things I'm afraid.


Your not belting it out the stables and id say your instinct is probably spot on[;)]

Once you've finished it is compulsory to have rubber on your exhausts.[:D]
 
So what do people do? Years ago I was give the advice that an engine wasn't really warm until you'd done around 10 miles, I was wondering if modern engines got up to temperature quicker.

By the way there's no problem leaving rubber on the exhausts! This being my first Porsche it seems to have obscene levels of power[:)]
 
David, I didn't realise the 996 turbo doesn't have an oil temperature gauge until I looked at a photo of the dash! In my 997 the water temperature comes up very quickly - probably no more than a few minutes of normal driving but the oil temperature takes quite a bit longer to register - probably at least 5-10 minutes, but I haven't timed it! I don't give mine any serious beans until the oil temperature is at least up around the 70 mark, rightly or wrongly, but figure that is on the safe side!
 
As Alan says, the oil temperature takes a lot longer than the water temperature to come up, and 6-7+ miles is about right. Oil pressure is a good indicator of how hot the oil is. See what it reads at tickover after a run, and use that as an indicator for when it is ready for full beans mode. On my Turbo, it was about 1.5 bar IIRC. The Cayman doesn't have a pressure gauge...... [:mad:]
 
Thanks to both of you for the info - I'll be more careful in future.

Would you not have thought an oil temperature gauge was quite fundamental?

Would the ability to perform an oil level check be an indication that the oil is up to temperature?
 
The handbook says it has to be up to temperature before a reading can be taken, so yes, that would work, but they might trigger it at a higher temperature than is necessary for you to put your foot down. Also, you have to be stationary and at tickover, whereas checking the tickover oil pressure only requires you to dip the clutch.
 

ORIGINAL: Richard Hamilton

As Alan says, the oil temperature takes a lot longer than the water temperature to come up, and 6-7+ miles is about right. Oil pressure is a good indicator of how hot the oil is. See what it reads at tickover after a run, and use that as an indicator for when it is ready for full beans mode. On my Turbo, it was about 1.5 bar IIRC. The Cayman doesn't have a pressure gauge...... [:mad:]
Click to expand...


Maybe the gauge is 40 grand:)
 
I've done some experimentation. Oil pressure falls to around 1.2 bar once the engine is really warm. I just knock the stick into Neutral for a few seconds remembering to take my foot of the gas first (sounds obvious but I managed to forget once - I'm not used to an auto). So I have a solution - thanks to all.

It's a little frustrating that there is clearly an oil temperature sensor in the system which is used for input to the oil level gauge. I would have thought it would have been simple for Porsche to add oil temperature to the computer digital display. I guess that they had to justify the extra 40 grand for the 997[:)]
 
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