991 GT3RS excessive oil consumption - Engine change

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01-04-2018, 07:14 AM

#46

qbix

Burning Brakes

Join Date: Mar 2014

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Sounds like a bad break-in. The rings didn't settle properly. That is because these engines need to see high rpm right after the factory. Obviously properly warmed-up before and cooled down each time.
Great that Porsche did the right thing. You have to love this brand!

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01-04-2018, 11:00 AM

#47

Jangobipbip

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Quote:

Originally Posted by GrantG

That is quite a bit of usage. Did your dealer tell you that was normal?

My ex 991 GT3 had a big oil consumption too. A bit less but i never went to the track without my 0W40 bottle.
I believed this was normal, so never went to complain to the dealer...

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01-04-2018, 10:51 PM

#48

ipse dixit

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Quote:

Originally Posted by smookey

Mine needed 1l for 200 kms on the track, since the beginning, until 11000kms, when i sold it. there seems to be very big differences between one and the other...
But it worked perfectly well excepted this consumption.

Enough track days, and you'll never really need an oil change. A filter maybe, but not oil ...

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01-04-2018, 11:03 PM

#49

robmypro

Race Director

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Quote:

Originally Posted by GrantG

Rob- Could it be that our seasonal cold weather is causing the oil level to rise? If the oil doesn't get hot enough to boil/evaporate the water condensation produced by combustion, it's possible to increase the volume in the oil system temporarily (until you get a chance to get it hot enough).

Or maybe the level indicating system sucks

Could be the cold Grant, but it has done it throughout the two years i have owned it. I think the system sucks tbh. The TPMS is a close second on the suck list.