Getting in a bit late here but Valvoline VR1 racing oil in 20-50 has just
over 1200ppm ZDDP which as i understand is a good breakoff point for levels.
It is the same price of any quality oil and is carried on the shelf at
Autozone, Advance Auto, and NAPA. It is not a true racing oil so it is good
for extended change intervals. The Diesel oils since 2007 have had the same
reduced ZDDP levels for the ultra low sulphur levels etc.
Castrol does have a formulation in 20/50 but they have only put out a
specially labled line of Syntec. Syn oils fall out of my engine like water
(and cost %80 more) so that is not a good choice right now.
FWIW, HTH
Carl
--- On Sun, 8/3/08, Syd Saperstein <tcsyd@sbcglobal.net> wrote:
From: Syd Saperstein <tcsyd@sbcglobal.net>
Subject: Re: [Mg-t] MG TD oil
To: TATERRY@aol.com
Cc: mg-t@autox.team.net
Date: Sunday, August 3, 2008, 3:07 PM
According to the ZDDP folks, many of the specialty oils on the market
like "high mileage" oils while they do have some ZDDP the
concentration by weight is .02% or less. The oils that had ZDDP
pre-1988 after which the amounts dropped, was .15%. So if the oils
available for older cars have that much in them all well and good.
Some Diesel oils still have the ZDDP, but their other characteristics
are not as good for gasoline engines...so I am told.
TC Syd
On Aug 3, 2008, at 10:53 AM, TATERRY@aol.com wrote:
> In a message dated 8/3/2008 10:20:47 AM Pacific Standard Time,
> chillmog@sbcglobal.net writes:
>
>
>> You may not be able to pick up
>> oil off the shelf for your MG at your local WalMart, but it will be
>> available.
>>
>
> It turns out that WalMart does carry an oil for high mileage cars.
> At least
> this is what I was told. I've got to go look for it.
> Terry<BR><BR><BR>**************<BR>Looking for a
car that's sporty,
> fun and fits in your
> budget? Read reviews on AOL Autos.<BR>
>
(http://autos.aol.com/cars-BMW-128-2008/expert-review?ncid=aolaut000500000000
17
> )</HTML>
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