How Much Oil Do you Use?
b.benz at charter.net
Fri Jan 16 23:00:59 EST 2004
Right on, Alan! Your infrequent but technically correct inputs always
commands more respect than my frequent contrarian opinions.
> From: "Alan Cordeiro" <alancordeiro at comcast.net>
> I will guess that you are talking only another year or two, perhaps
> another 20 or 30k miles. That's why I suggested you just add oil.
> Plus, I know first hand what it takes to do a head job...
> OK OK....go ahead...flame me
> 197k, one quart per 5,000 miles
Heavy on the throttle, huh.
> ----- Original Message -----
> From: "Derek Pulvino" <dbpulvino at hotmail.com>
> To: <linust at mindspring.com>; <brett at cloud9.net>; <jmajau at balt.net>
> Cc: <200q20v at audifans.com>
> Sent: Friday, January 16, 2004 2:28 PM
> Subject: RE: How Much Oil Do you Use?
>> Worth taking into consideration, but have you looked under the hood to see
>> just what exactly your advice entails?
>> Oh, and going back to my numbers, the increased cost of 02 sensors would
>> neglibable, given that the 02 sensor is a standard maintenance item
>> I assume i'd have to shorten the maintanance interval by 20%. Given
>> we're looking at 333k miles to recoup the cost, not the 275k where the
>> entire cost of 02 sensor replacement was included. I could still go with
>> the VW/Audi acceptable consumption number and be safe.
>> In as much as knocking is an end result of the littany of charges Brett
>> raises, I'm going to have to say that too is a nice theory not bearing out
>> in reality. I regularly run 87-octane and it is extremely rare that I
>> any pinging. The only pinging I've heard is in the summer, when we've had
>> 90-degree days, and I'm in traffic with the AC going. At that point, I
>> Same with emissions, I've not had any problems passing the state emission
>> standards in the cars current running condition. Passes with flying
>> even. Reference also "no residual on rear bumper" and "only time I see
>> smoke is on AM startup." On the last, I should add it's an occasionaly
>> And the cars is running standard ECU setup.
>> So we're long on justifiction, but short on cause, any takers here?
>> Derek P
>>> One more I've heard of...excessive oil in the intake air (i.e. by leaking
>>> the turbo seals) can reduce the effective octane of your fuel...perhaps
>>> less of
>>> an issue with the Motronic and its (hopefully) fail-safe limp-home mode,
>>> years ago, one turbobrick (old style Volvo) owner reported losing an
>>> this way.
>>> I'm with Brett here--not good to ignore esp if you're chipped.
>>> Linus Toy
>>> Mercer Island, WA
>>> linust at mindspring.com
>>>> -----Original Message-----
>>>> From: 200q20v-bounces at audifans.com
>>>> [mailto:200q20v-bounces at audifans.com] On Behalf Of Brett Dikeman
>>>> Sent: Friday, January 16, 2004 10:34 AM
>>>> To: Jonas Majauskas; Derek Pulvino
>>>> Cc: 200q20v at audifans.com
>>>> Subject: Re: How Much Oil Do you Use?
>>>> At 9:51 AM +0200 1/16/04, Jonas Majauskas wrote:
>>>>> On Thu, 15 Jan 2004, Derek Pulvino wrote:
>>>>>> The cost for the work would buy a lot of oil. Assuming
>>>>>> stays constant, and based on a conservative $500 cost from the
>>>>>> machine shop, at 2$ a quart, it would take oh, about 375k
>>>> miles to
>>>>>> break even. Any other beny's from head work? Maybe I'll
>>>> get a leak
>>>>>> down test to pinpoint culprits.
>>>>> Don't forget O2 (oxygen) sensor cost - AFAIK it does not like burned
>>>>> oil, so you may need to replace it much more frequently.
>>>> Don't forget deposit buildup on the exhaust valves, reduced effective
>>>> diameter of the exhaust, catalytic converter damage, and
>>>> carbonization in the combustion chamber(which leads to hot spots and
>>>> raised compression, which leads to higher octane requirements or
>>>> greater knocking danger). Not to mention pollution.
>>>> I'd say that the "ignore burning oil" advice is rather poor.
>>>> "They that give up essential liberty to obtain temporary
>>>> safety deserve neither liberty nor safety." - Ben Franklin
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