VDDP is still listed on the bottles of VR1 I have and they are not that
old. What I don't know is how much is in them and how much we need.
> [Original Message]
> From: Dave & M <rusd@sitestar.net>
> To: Tom Felts <tomfelts@earthlink.net>
> Cc: Robert Blair <rnbmail@yahoo.com>; Warren Dietz
<flyhihealey@hotmail.com>; <healeys@autox.team.net>
> Date: 5/12/2007 5:07:41 PM
> Subject: Re: Valve job\Oils....
>
> Valvoline VR1 used to be one of the good guys.
>
> The latest batch of VR1, Valvoline Racing 20W-50, part # VV211, that
> I have, is clearly marked for API services SM, SL, CD. The newer API
> rated SL oils, by definition, must contain less or no ZDDP. You will
> note that none of the most current oil analysis' for VR1 mention the
> ZDDP content any more. It used to be clearly listed in the MSDS.
>
> The current Valvoline Racing 20W-50, part # VV851, is clearly marked
> "not Street Legal", is not marked "VR1", & is clearly stated on the
> back that it contains "zinc & friction modifiers balanced with reduced
> detergents" - "use of this oil may damage catalytic converters". It
> has no API rating for obvious reasons.
>
>
> To further confuse the issues, GM EOS # 1052367 (engine oil
> supplement) used to recommend adding one pint per oil change. Their
> new labeling calls it "Assembly Lubricant", not oil supplement,
> recommends it as assembly lube only, & does not recommend it as an
> additive to engine oil.
>
> In my personal opinion, Valvoline & GM have done an excellent job of
> disguising - confusing the issue. I guess, as always, you will make
> the final decisions. Chances are, if you are not breaking in a new cam
> & lifters, the current oils may get you by for a while.
>
> Regards,
> Dave Russell
>
>
> Tom Felts wrote:
> > I'm happy to see my oil, Val VR1 20/50 Racing oil, is one of the
> > "good guys.
> >
> >
> >
> >> [Original Message] From: Robert Blair <rnbmail@yahoo.com> To:
> >> Warren Dietz <flyhihealey@hotmail.com>; <healeys@autox.team.net>
> >> Date: 5/12/2007 3:27:23 PM Subject: Re: Valve job\Oils....
> >>
> >> Warren,
> >>
> >> Good info - thanks.
> >>
> >> This is a hot topic as is quietly reducing the life span of older
> >> engines without the publics knowledge ..... seems to me that
> >> there should be a class of oils blended for older technology
> >> engines with no cats.
> >>
> >> Robert.
> >>
> >> --- Warren Dietz <flyhihealey@hotmail.com> wrote:
> >>
> >>
> >>> From: "T W" <ah3000me@gmail.com>
> >>>
> >>> Is there an oil additive available to replace the zinc? Tom
> >>>
> >>> Here is interesting info..... although directed to
> >>> Porsche-aircooled, is relevant....
> >>>
> >>> http://www.lnengineering.com/oil.html
> >>>
> >>>
> >>> WD 67 BJ8
> >>>
> >>
> >>
> >> Robert - Yellow 65BJ8
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