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Engine oil use
Maybe one of the oil experts can answer this...Why is it that after you change your oil with fresh oil , the engine oil use seems to slow way down? Not just with my 911 but in other sports cars I have owned as well. Is it because of oil breakdown of some sort? Or maybe the last owner did not put in the correct type of oil? Than you, Nick
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02-23-2011, 06:19 PM
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Registered
Join Date: Jul 2001
Location: Portland Oregon
Posts: 7,007
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Nick,
Mainly, thats due to viscosity breakdown (due to heat) during the service life of the oil in the engine. The thinner the oil becomes, the easier it is to get by the rings.
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Steve Weiner Rennsport Systems Portland Oregon (503) 244-0990 porsche@rennsportsystems.com www.rennsportsystems.com |
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02-23-2011, 06:48 PM
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You might be experiencing some gas contamination in the oil, giving the impression that the high level you see on the stick is ok. After a long spirited drive with the engine up to temp the gas boils off and leaves you with a low oil level.
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Bill K. "I started out with nothin and I still got most of it left...." 83 911 SC Guards Red (now gone) And I sold a bunch of parts I hadn't installed yet. |
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02-23-2011, 07:19 PM
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Nope, oil has been way up for several hundred miles. This also happened in my 99 ford Mustang GT. All of this learning is great fun! Thank you. I love this car! Nick
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02-23-2011, 07:55 PM
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Member 911 Anonymous
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Per manual on our '85, your baby should be consuming 1qt every 1k miles, check 1000+ miles later
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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02-24-2011, 08:10 PM
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Porsche 911 Carrera
1983 Porsche SC
Marble Grey
