Mobil 1 oil weight

Grant Lenahan glenahan at
Mon Apr 30 07:45:21 EDT 2007

Dont confuse burning oil with lubrication.
You also didnt reference what kendall, base stock type, flash point, VI  
rate nor ACEA acceditations.
So there's not much to go on in your post.

Read the articles I referenced first.

I dont believe the tolerances are THAT bad on a well maintained I5. I  
cant speak for yours in particular of course.

I dont care what you personally use, but I do want to overcome the  
persistent myth that 5W30, 5W40, 0W-30 and )w40 are too light. They are  

On Apr 29, 2007, at 10:24 PM, Steve Marinello wrote:

> Personal experience with one urq and two S6's; one stock and one  
> RS2'ed...forget the light oil.  Great for the newer cars, but not our  
> old I5 turbos.  !@#$%^&*Dealer didn't use the 5W50 M1 I brought and  
> put the light stuff (Kendall) in all three, and all three blew out or  
> burned a quart in the first few hundred miles after NEVER burning a  
> quart in 2500-3000 miles between changes over twenty years.  I  
> wouldn't go near anything lighter than Amsoil 10W40.
> YMMV, but I don't want that light shit anywhere near the older cars.   
> Fine stuff for the 2.0T in the GTI, but keep it away from my I5  
> turbos.
> Steve
> Ameer Antar wrote:
>> So, you're saying that the weight in the manual is too thick, even  
>> for a turbo
>> motor? Is that because the new synthetic oil is different from the oil
>> available in '85?  I don't think I'll be seeing those cold temps this  
>> summer, but it's good to
>> know the oil is capable of that range. I guess I might try 0w40 like  
>> you're
>> suggesting.
>>  -Ameer
>> -------------------- Original Message --------------------
>> From: Grant Lenahan [glenahan at]
>> To: Ameer Antar [antar at]
>> Cc: Quattro List [quattro at]
>> Date: 4/29/07 12:08:37 PM
>> Subject: Re: Mobil 1 oil weight
>>  > Both 10w30 and 15w40/50 are too thick. run either 5W-30 or 0W40.
>>> If your oil stays below 100 degC, all of those oils are TOO THICK, if
>>> you do a flow test.
>>> Unless you are truly racing, it is a fallacy that you need thicker  
>>> oil.
>>>  What you should really concentrate on is somethign that will give  
>>> good
>>> lubrication at 20,30,40 deg C.
>>> If you want lots of data to support this, do a search for "motor oil
>>> 101" by AEHAAS, who's done extensive research on the subject.
>>> 0W40 is approved by Audi (VW50x.x approvals) for all temperatures we
>>> encounter in the USA/Canada/mexico at least.
>>> I used 5W30 in my biturbo S4 (far more demanding than most motors)  
>>> with
>>> great results.
>>> I subsequently saw the specs on 0W40 and "that's all she wrote". Its
>>> quite impressive.
>>> You should look for an oil with ACEA A3/B3 approval if you want the
>>> best hgih temp/high shear protection.
>>> Another great oil choice is ELF Excellium Full Tech synthetic 5W40 or
>>> 0W30.
>>> Grant
>>> On Apr 29, 2007, at 11:58 AM, Ameer Antar wrote:
>>>> I'm about to do an oil change and was wondering what's the consensus
>>>> on running
>>>> full synthetic 10W30 during the early summer. That's what I ran  
>>>> during
>>>> the
>>>> winter, but not sure if I should change that up now. I live in CT,  
>>>> so
>>>> temps
>>>> will definitely be in the 80's when I need another oil change. I  
>>>> know
>>>> the
>>>> manual calls for 15w40, but I'm not sure if that applies to full
>>>> synthetic.
>>>> There is a 15w40 available in the extended performance oil, but it's
>>>> more
>>>> expensive and very hard to find around here. So far, no ticking  
>>>> noise
>>>> from the
>>>> lifters, but everything is fairly new. Am I going to do any damage
>>>> running
>>>> 10w30? What about 0w-40? TIA.
>>>> -Ameer _______________________________________________
>>>> quattro mailing list
>>>> quattro at
>>>> ---
>>>> Watch this space for ads :)
>>>> -------------------------------------------------------------------- 
>>>> ----
>>>> _______________________________________________
>>>> quattro mailing list
>>>> quattro at
>>>> ---
>>>> Watch this space for ads :)
>>>> -------------------------------------------------------------------- 
>>>> ----
>>>> No virus found in this incoming message.
>>>> Checked by AVG Free Edition. Version: 7.5.467 / Virus Database:  
>>>> 269.6.2/780 - Release Date: 4/29/2007 6:30 AM

More information about the quattro mailing list