Re: [Chrysler300] Zinc in Rotella T - FYI

[Nancy Kramer <nekramer@xxxxxxxxxxxxxxx>]

Valvoline racing oil is great oil.  We use it in anything we do not use 
MOBIL 1 in,

Have used Mobil 1 in recently rebuilt engines even in old cars and it 
worked well.

We actually use Valvoline in all daily drivers that do not use Mobil 1.  If 
you run your car in cold winter weather you might want to switch to 10/40 
in winter but for summer 20/50 is it.  Been it for a long time like maybe 
30 plus years for us.

Regards,

Nancy Kramer


At 11:06 AM 2/11/2009, Jim Kelly wrote:

>i use valvoline  20/50 racing oil. this is what valvoline recommends for 
>our collectable cars. it runs about $4.50 per qt.  jim
>--- On Tue, 2/10/09, <mailto:cotejohnr%40aol.com>cotejohnr@xxxxxxx 
><<mailto:cotejohnr%40aol.com>cotejohnr@xxxxxxx> wrote:
>
>From: <mailto:cotejohnr%40aol.com>cotejohnr@xxxxxxx 
><<mailto:cotejohnr%40aol.com>cotejohnr@xxxxxxx>
>Subject: [Chrysler300] Zinc in Rotella T - FYI
>To: <mailto:chrysler300%40yahoogroups.com>chrysler300@xxxxxxxxxxxxxxx
>Date: Tuesday, February 10, 2009, 8:39 PM
>
>Hi all you petrochemical junkies,
>
>Larry Jett's comments on his "F" and oil pressures with subsequent answers 
>of zinc considerations prompted me to contact Shell (found the website on 
>the container of Rotella T) to determine if it still protected our 
>"antique" engines cams and lifters.
>
>Before all of you drain your Rotella T oil out of your rides, I offer the 
>below 4 emails from my correspondence with Shell that indicate that we are 
>still OK if we use Rotella T (either synthetic or regular) in our old 
>engines without additional zinc additives. The 2009 zinc content is still 
>sufficient in Rotella T to protect solid lifters and cams according to 
>Shell with 1200 ppm of zinc which is thought to be the minimum for protection.
>
>So the choice is yours, add ZDDPlus zinc additive to whatever non-diesel 
>oil you use or Rotella T.
>
>Hope this helps you decide how to protect your engines.
>300ly,
>John R. Cote
>CT.
>P.S. I have no stock in Shell!
>
>-----Original Message-----
>
>From: shelltechnical- us@shell. com
>To: cotejohnr@aol. com
>Sent: Wed, 4 Feb 2009 4:59 pm
>Subject: Re: Rotella Ask Our Expert: Product Information
>
>On Wed, 4 Feb 2009 16:52:59 -0500 you wrote:
>
>John, both Rotella T CJ-4 oils have 1200 ppm of zinc which is 50%
>more than conventional gasoline SM/GF-4 rated oils. Thank you for
>your interest in Shell products.
>
>Richard Moore
>
> >
> > Dear Shell Technical:
> >
> >Could you please tell me what the exact zinc and phoshorus PPM
>levels are in
> >the newer API CJ-4 Rotella T product
> >AND also if it is the same or different in the Rotella T synthetic
>form? If
> >different, what are the quantities in PPM of each.
> >
> >Many articles state the need for 1200 - 1400 PPM of the zinc and
>phosphorus.
> >
> >Thank you,
> >John Cote
> >
> >
> >
> >
> >
> >
> >
> >-----Original Message-----
> >From: shelltechnical- us@shell. com
> >To: cotejohnr@aol. com
> >Sent: Mon, 2 Feb 2009 7:47 am
> >Subject: Re: Rotella Ask Our Expert: Product Information
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >Dear Sir,
> >
> >There was a slight reduction in zinc content from the Ci-4Plus oil
>to
> >the current API CJ-4 product. The current zinc content is well in
> >excess of the minimum recommended by many cam manufacturers (1000
> >ppm) for your application.
> >
> >Best Regards,
> >
> >Shell Technical
> >
> >
> >
> >
> >On Fri, 30 Jan 2009 23:04:08 +0000 you wrote:
> >
> >>---------- --------- --------- --------- --------- --
> >>ROTELLA.com E-mail Form
> >>---------- --------- --------- --------- --------- --
> >>NAME John R. Cote
> >>E-MAIL ADDRESS cotejohnr@aol. com
> >>SUBJECT Product Information
> >>COMMENTS
> >>---------- --------- --------- --------- ---------
> >>Some of us in the antique auto clubs (Chrysler 300 Club) have
> >recommended using
> >>Rotella T in our solid lifter engines because of the content of
>zinc
> >in Rotella
> >>T. 1. What is the current content of Rotella T in contrast to last
> >year two
> >>years 2007 and 2008? 2. Has the zinc content been reduced over the
> >past two
> >>years? 3. Does this pose a risk to cams and lifters in solid lifter
> >or similar
> >>gasoline engines? Is there still enough zinc to protect our engines
> >from damage
> >>to lifters and cams? I hope you can set us all straight on these
> >questions.
> >>Thank you, John
> >>---------- --------- --------- --------- ---------
> >>
> >>
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >[Inline text/html]
>
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>
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>
>
>
>
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