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Re: Erl Conversion

>Date:	         Tue, 23 Jan 1996 16:07:08 CDT
>From:	"Al Powell" <APOWELL@agcom.tamu.edu>
>Sender:	quattro-owner@coimbra.ans.net
>To:	quattro@coimbra.ans.net
>Subject:	Erl Conversion 
>> From: es61@prism.gatech.edu (Eric Schumacher)
>> According to the folks at Mobil, oil consumption should not 
increase and
>> it is OK to start with synthetic at any time.
>> They have probably the most experience.  However, they have the 
oil for
>> sale too.
>True as reported.........
>> From: "Tom Forhan" <TFORHAN@hr.house.gov>
>>      I switched my 90 200 tqw from dino to synthetic
>>      eight thousand miles ago at 88,500 miles. No changes in
>>      oil consumption...everything seems fine. I am using
>>      15-50 Mobil 1.
>Also a typical report.............
>> From: "Bob D'Amato" <Bob.Damato@snetel.com>
>> I put synth erl in my 20V in the fall. After 1K miles, I noticed 
>> consuption. THe car had 62K on it at the time. Before it never 
> erl.
>> Likewise I put synth erl in the TQC, and it hasnt touched a 
>> Consumption is normal, and that was 5k ago. It had 79K on the clock, and 
>> now has 84K.  
>(There was one additional post about not bothering to change to 
>synthetic after XX number of miles, as wear patterns had been 
>All of the above fall within the normal reports I've heard.  
>facts are:
>1)  Synthetic oil IS more highly detergent than petroleum oils.  
>Therefore, it is possible that it may break up deposits or free up 

>worn seals.  However, provided an engine is clean and well 
>maintained, runing a can of engine cleaner through it before 
>in synthetic and then making the first oil and filter change soon 
>should cover it.
>2)  Synthetic oils ALSO tend to make seals swell slightly.  I have 

>friends whose oil consumption has gone DOWN after converting to 
>synthetic, probably because of this.  I have not experienced this 
>phenomenon on any of my cars.
>3)  It IS worthwhile to convert to synthetic oil even in a car 
>significant mileage, provided it is NOT an oil-burner (which I 
>define as using more than about 1 quart per 800 miles), in which 
>it makes no economic sense.  Wear does exist in a used engine, but 

>synthetic oil is a BETTER lubricant and will slow engine wear 
>considerably regardless of when it is installed.  In essence, it 
>tends to greatly reduce the wear rate of the engine from the point 
>time when it was installed.  So if the engine has 80K+ miles on 
>you will find that the engine will not age from that 80K wear 
>very soon.
>4)  Synthetic oil has other advantages.  It resists breakdown from 

>heat, making it safer to run in turbos and engines which are 
>stressed; it dissipates heat faster then conventional oil, so it 
>helps the oil run about 15-30 dgrees cooler (from most reports 
>heard); and it stays on metal parts betterm, providing more 
>protection from wear at start-up.
>My advice: don't wait.  Convert now.
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>Al Powell                           Voice:  409/845-2807
>Ag Communications                   Fax:    409/862-1202
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