RMS PROBLEMS
- Thread starter BLONDELAWMAN
- Start date
Perhaps we should start a new thread on oil consumption.
A few weeks back I did a quick survey on Rennlist asking for feedback on oil consumption in the 997 in an attempt to get a feel for what is good, normal and excessive. The number of respondents listing oil consumption in the various ranges is as follows:
3 gave < 4,000 miles/litre
2 gave 4,000 to <5,000 miles/litre
4 gave 5,000 to <10,000 miles/litre
3 gave >10,000 miles/litre (including one that claimed no top up in 20,000 miles)
While not statistically significant it looks to me as though < 4,000 is poor, between 4,000 and 10,000 is normal and better than 10,000 is unbelievably good. However, for those feeling depressed with <4,000 miles/litre let me try to raise your spirits. I was searching a Mobil web site for data when I came across this in an answer to a BMW driver's question about drain intervals - "It is also not uncommon for a high-performance engine to require a top-up of motor oil every 2,000 miles. (Most manufacturers consider anything better than 1,000 miles between top-ups as "normal.")" The full Q&A can be found at http://www.mobiloil.com/USA-English...s_in_a_BMW.aspx
A few weeks back I did a quick survey on Rennlist asking for feedback on oil consumption in the 997 in an attempt to get a feel for what is good, normal and excessive. The number of respondents listing oil consumption in the various ranges is as follows:
3 gave < 4,000 miles/litre
2 gave 4,000 to <5,000 miles/litre
4 gave 5,000 to <10,000 miles/litre
3 gave >10,000 miles/litre (including one that claimed no top up in 20,000 miles)
While not statistically significant it looks to me as though < 4,000 is poor, between 4,000 and 10,000 is normal and better than 10,000 is unbelievably good. However, for those feeling depressed with <4,000 miles/litre let me try to raise your spirits. I was searching a Mobil web site for data when I came across this in an answer to a BMW driver's question about drain intervals - "It is also not uncommon for a high-performance engine to require a top-up of motor oil every 2,000 miles. (Most manufacturers consider anything better than 1,000 miles between top-ups as "normal.")" The full Q&A can be found at http://www.mobiloil.com/USA-English...s_in_a_BMW.aspx
Indeed I have.
I am just trying to recall though when the first oil change is required. Looking at my Maintenance booklet I can only see oil change listed at 2 years or 30k miles. I am sure there is one scheduled before that.
Sorry, we seem to be going off on a tangent here to the original thread"¦
Ronnie C
New member
Alex, an oil change will make no difference to your engine oil consumption rate. I had my oil and oil filter changed at just over 4k miles and as you know, it needed a new engine at 12k. If you have reason to believe you are using too large an amount of engine oil, have your OPC prep your car up for a oil usage check. They will get the car to a certain level (usually full) then you drive the car away and monitor it. After about 600 - 1000 miles go back to the OPC and let them take another measurement. I think it's > 1.6 litres of engine oil burnt to 600 miles = new engine from Porsche... which comes in a box like this:
Gets put into your car like so:
and the old one gets shipped back to Porsche AG:
Gets put into your car like so:
and the old one gets shipped back to Porsche AG:
I think that this is a high ammout of oil use, but some cars do use alot until they have done 10.000+ miles. I know on modern Porsches 20.000 is the service intervals but f it was my car i would have the oil changed between services as i think this is a long gap on a high performance car.
Phil
Phil
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