Hi Tom,
I think the change was fairly recent. The SM spec goes into effect in
2007. Note that I previously said SL when I meant SM. My older VR1 oil
containers for oil rated API service SL stated contains ZDDP. Does
your "good" oil show for API service SM or just SL?
I doubt if you will find the ZDDP content given in any of Valvolines
most recent literature.
The general concensus is that about 1200 PPM or .12% is needed to
protect flat tappet cams. I'm just adding GM EOS to the new VR1 that
I have.
Regards,
Dave Russell
Tom Felts wrote:
> 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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