Warm up routine
Discussion
When starting up my Porsche, I stay we'll under 3,000rpm until a couple of minutes after my temp gauge gets to normal operating temperature. After that a gradually increase revs over the next 5 mins or so before feelings it's okay to let rip.
Just curious as to what others do? Am I being too cautious or alternatively am I missing doing something that others feel is necessary to keep the car in the best condition long term?
Just curious as to what others do? Am I being too cautious or alternatively am I missing doing something that others feel is necessary to keep the car in the best condition long term?
SilverPorker said:
When starting up my Porsche, I stay we'll under 3,000rpm until a couple of minutes after my temp gauge gets to normal operating temperature. After that a gradually increase revs over the next 5 mins or so before feelings it's okay to let rip.
Just curious as to what others do? Am I being too cautious or alternatively am I missing doing something that others feel is necessary to keep the car in the best condition long term?
There's nothing wrong with that.Just curious as to what others do? Am I being too cautious or alternatively am I missing doing something that others feel is necessary to keep the car in the best condition long term?
These engines take a long time relatively speaking to warm up. Under some climatic conditions I've driven my Boxster 15 minutes from a cold start to where the coolant temp peaks and then flattens out.
I get in mine and pretend it revs like a diesel until the oil pressure at idle has settle at just over 1 bar - on both my 996 and 993 this is where it seemed/seems to be when it was/is fully warm. I've no idea about times or temps in my 993 or my 550 (to be fair, the latter's gauges and associated Italian electrics I never really trust 
), but since oil pressure is related to oil viscosity, which is in turn related to oil temp, it seems as good a way as any.
), but since oil pressure is related to oil viscosity, which is in turn related to oil temp, it seems as good a way as any.In my 997 I don't go over 3k rpm until I've driven for 15 minutes (as per the trip info display). I always assumed that the oil takes much longer to warm up (there is so much of it) than the coolant and this is what you want to be nice and viscous before increasing the revs.
I also take it much easier with the gearbox until its warmed up and the gears go in smoothly.
anonymous said:
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In Porsches my best info is the concern is not a cracked head but arises from fluid dynamics.At higher engine speeds with cold oil the oil doesn't flow well. The oil in the bearing interface heats up from the hydraulic friction but can't be replaced with fresh oil. Wear can occur at the bearing interface if the oil breaks down.
Additionally the cam lobes are splash lubed. At higher engine speeds there may not be enough oil flowing from around the lifter buckets to lube the lobes. There is also the splash characteristics of the oil when cold. It may not end up where it should. (This is also possibly a bigger issue for those that run non-approved oils, say a 10w-xx or even 15w-xx oil...) Anyhow, wear can occur.
Anyhow keeping rpms below IIRC 4K until the engine is up to temp is in the owners manual. Even if it is not it is good engine treatment.
Legacywr said:
Shirley, with modern oil technology warming an engine up is no longer such a worry?
And, as mentioned earlier, it's not a TVR Speed Six!
There's no need to pay strict attention to the temp but the concern is real. While improvements have been made in oil there are still limits, real limits of how the fluid can perform in low temperatures.And, as mentioned earlier, it's not a TVR Speed Six!
As an indication of this Porsche approves 0w-40 for all temperature ranges while 5w-40/5w-50 oils are approved for temperatures above -25C.
Does this mean that if you live/drive in a region that has an ambient air temp above -25C you can ignore any empathy with the engine and thrash it from cold? No, of course not.
But of course it is your car and your engine and you can treat it anyway you want at any time.
BertBert said:
anonymous said:
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What? How quickly is that going to be then? I'm not talking about bouncing it of the limiter from the start, but just drive it normally. It's a mass-produced engine that you get in and drive.Bert
In my view it is going to be a balancing act between getting oil temps up whilst maintaining mechanical sympathy. In my GTR for example I usually drive in auto mode for the first 10 mins of a drive and the engine management controls the shifts. From cold it holds each gear until 2200-3000 rpm max for the first few minutes before it starts to shift at lower rpm. It is clearly important to get some oil temps up to provide good lubrication.
Not a porsche owner, Ive got no oil temp gauge and read that the engine can take 10miles to warm up, which isnt as long as it sounds, luckily my hooning routes are all 10-15 miles away so it works out ok!
Would be interested to hear how long (miles) it takes for the temp to go from cold to normal with those who have a gauge.
Would be interested to hear how long (miles) it takes for the temp to go from cold to normal with those who have a gauge.
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