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Re: Valve job\Oils....

To: Dave & M <rusd@sitestar.net>
Subject: Re: Valve job\Oils....
From: "E.A. Driver" <edriver@sasktel.net>
Date: Sat, 12 May 2007 16:02:29 -0600
Hello David

"the current oils may get you by for a "while""  That is the issue. What
time frame would a "while" be equivalent to?

Kind regards
Ed
AHCUSA Historian
Saskatoon
'53 BN1  '65 BJ8

Dave & M wrote:

> 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




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