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    Why do Porsches hold so much oil?

    I asked this in another forum after hearing a Boxster holds something like 10 quarts. Nobody could really answer my question.

    Re: Why do Porsches hold so much oil?

    wet sump need to get as much oil as possible in order to make sure high cornering Gs don't starve the engine of oil

    Re: Why do Porsches hold so much oil?

    Moogle, i don't think that's the reason, although i don't know it myself. Till the 993 series, in which the engines we're air cooled (or "oil cooled"), it used a lot of oil because it did the same job water does nowadays.

    It isn't about wet sump, because both the GT3, GT2 and Turbo has dry sump lubrification and still use a lot of oil...
    Why? I don't know either.

    Re: Why do Porsches hold so much oil?

    Anyone else?

    Re: Why do Porsches hold so much oil?

    Interesting question. I searched for the answer to no avail. While searching I found:

    1) 986 Boxster engine oil capacity: 8.72 quarts/8.25 liters. Almost 9 quarts.


    2) 3.6L 996 C4S: It is interesting to note the large amounts of oil and liquid cooling fluid (ethylene glycol) these engines require, nearly doubling the amounts of most other automotive engines. Oil capacity is nearly 11 quarts and coolant capacity totals nearly 24 quarts. A 5.3L Corvette V-8 engine requires six quarts of oil and 12 quarts of coolant.

    3) 1966 Ferrari 275 GTB/C needed more oil:
    The engine is a three-carburetor version of the 250 LM engine (the three carbs, rather than the expected six, were due to a clerical error in the FIA filing), with a 22-quart dry sump, turning out 280 hp at 7,500 rpm.

    Sources:
    http://www.sportscarmarket.com/profiles/2004/September/Ferrari/

    http://64.233.167.104/search?q=cache:LYC...acity&hl=en

    http://www.986faq.com/2-0/specs.asp

     
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