quattro Digest, Vol 52, Issue 55

[Grant Lenahan]

This is driving me nuts.
What is thin.  14.7 cst @ 100 degC? Or 80 at 40 degC?
The 80, like every oil on the planet, is way too thick.
Even the 14+ is marginally thick.

The only possible argument against 0W40 is that it may thin out over 
time. Show me the data.

Grant

thejimrose wrote:
> Well the 0w40 is SO thin, that makes me a little nervous to begin. Plus the
> a4 runs very hot, esp once chipped, etc. And after the whole sludge fiasco
> I'm not 100% trusting of audi's recommendations anymore [since they specd
> the wrong oil + filter in the 1st place]. Also just found out that they
> spec'd dino oil for the first year or 2 of the v8s4.Yikes.
>
> But i do, and keep my fingers x'd that ingolstadt knows what it's doing.
>
> On Mon, Feb 25, 2008 at 2:27 PM, Dan DiBiase <d_dibiase at yahoo.com> wrote:
>
>   
>> Not sure why you'd be nervous, Jim. I mean, if Audi recommends it (and I
>> use the same in my car) then you're okay. I know you're probably out of
>> warranty (as am I) but I've been using this since the first oil change and
>> no evidence of any sludging in my engine.
>>
>> Dan D
>> '04 A4 1.8Tq MT-6
>> Central NJ USA
>>
>> ----- Original Message ----
>> From: thejimrose <thejimrose at gmail.com>
>> To: quattro at audifans.com; ekellock at gmail.com; uglydog56 at yahoo.com
>> Sent: Monday, February 25, 2008 5:11:45 PM
>> Subject: Re: quattro Digest, Vol 52, Issue 55
>>
>> ok well that makes me even MORE nervous about the 0w40 M1 i run in the a4
>> as
>> per audi's recc's. i dismiss the parts counter guy's comment of 'OIL
>> FLAORVED WATER!' whenever i buy it. =/
>>
>>
>>     
>>>> The first question is what temps are you running in during the winter.
>>>>         
>>>  That would determine the bottom number for me.  The "if it ain't broke,
>>> don't fix it" part of me says stick with what you've been using.
>>>       
>>>> My friend Tony is an engineer with experience in oils.  He says the
>>>>         
>>> additives that make an oil multi-viscosity actually fight it's
>>>       
>> lubricative
>>     
>>> properties.  His recommendation is to run straight weight oil as much as
>>> possible, light in winter, heavy in summer of course.  He says to always
>>>       
>> run
>>     
>>> the oil with the narrowest spread between the numbers as it lubricates
>>>       
>> the
>>     
>>> best.
>>>       
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>>
>>
>>     
>
>
>