[DeTomaso] How much ZDDP is in this?

Dave Londry davel at emspace.com
Sat Feb 19 18:49:58 EST 2011


Then I'd add 600 and I'd be sure I was under the 1800 number.
That'd be good down to an initial value of 600.
Not a bad answer, I think.
dave

On 2/19/2011 1:50 PM, Charles McCall wrote:
> Thanks Dave.
>
> I bought this stuff probably a year ago. Interestingly enough, the current
> Mobil 1 page calls this viscosity something else (Peak Life) and not "Rally
> Forumula". So I would guess that this is the old formula, perhaps
> corresponding to the 1000/1100 number that you quote and that shows up in
> the chart that Chuck Engles sent me.
>
> This is all speculation of course, which makes me a little nervous based on
> what I've read about insufficiente levels..
>
> Charles McCall
> 1985 DeTomaso Pantera GT5-S #9375
> "Raising Pantera Awareness Across Europe"
> http://www.poca.com/index.php/gallery/?g2_itemId=2323
>
> -----Mensaje original-----
> De: Dave Londry [mailto:davel at emspace.com]
> Enviado el: sábado, 19 de febrero de 2011 22:35
> Para: Pantdino
> CC: julian_kift at hotmail.com; charlesmccall at gmail.com; detomaso at realbig.com
> Asunto: Re: [DeTomaso] How much ZDDP is in this?
>
> Just so you have more confusion Charlie.
> - I have an April 09 listing for that oil as P1000  Zn1100
> - If it were north america I believe it would have about 400 points
> taken off it last year which would put it at P600 Zn700
> - 1200 is a reasonable minimum target, given that we don't know what the
> additive run-depletion rate is anyway.
> - There is a belief that 1800 is a safe limit for P content and that
> there is some kind of embrittlement danger above that.
>
> So all of this is just blowing smoke, but I think I'd add 1000
> This is showing faith that there is at least 200 and not more than 800
> in the jug.
> If you happen to know that it was blended more than a year ago, I'd get
> a different answer.
>
> It's all pretty shitty though.
> dave
>
> On 2/19/2011 10:48 AM, Pantdino wrote:
>> Julian and Charlie,
>>
>> Charlie lives in Europe.  AFAIK the low ZDDP oil are an attempt on the
> part of AMERICAN lawmakers to make catalytic converters last longer.
>> It does have the SM rating, but as we learned from prior discussions even
> an SM oil that is -40 or greater is not bound by the 800ppm limit.
>> Charlie, if you plan to use this oil for a number of years you might just
> want to spend the Euro equivalent of $20 and have some analyzed.
>> ZDDP additives are not cheap and you might not even need to use any if the
> Mobil already has 1200ppm or whatever.  And it is true that if you add
>> too much you will damage things.
>>
>> Jim Oddie
>>
>> PS whatever happened with your clutch and "rough running after car sits
> for months" issues?
>>
>>
>>
>>
>> -----Original Message-----
>> From: Julian Kift<julian_kift at hotmail.com>
>> To: charlesmccall at gmail.com; De Tomaso List<detomaso at realbig.com>
>> Sent: Sat, Feb 19, 2011 9:03 am
>> Subject: Re: [DeTomaso] How much ZDDP is in this?
>>
>>
>>
>> harlie,
>>
>>    couldn't find a specific listing for the Rally Formula, but SM oils have
> to
>> ave<600 ppm zinc. If you assume the Zn content is virtually zero and put
> in
>> nough ZDDP to take you to where you want to be (1300ppm?) then you should
> still
>> e well within the margins for any upper limits of Zn.
>>
>> he only Mobil 1 brand that still has the high levels of Zinc is the
> 'Racing' as
>> ar as I know.
>>
>> ulian
>>
>>    From: charlesmccall at gmail.com
>>    To: detomaso at realbig.com
>>    Date: Sat, 19 Feb 2011 17:19:24 +0100
>>    Subject: [DeTomaso] How much ZDDP is in this?
>>
>>    Hi oil experts. Can someone translate this and tell me how much zddp is
> in
>>    this Mobil 1?
>>
>>
>>
>>    http://www.poca.com/index.php/gallery/?g2_itemId=29128
>>
>>    http://www.poca.com/index.php/gallery/?g2_itemId=29131
>>
>>
>>
>>    I have zddp additive, but need to know how much is in the oil to start
> with,
>>    since I understand that too much can be just as bad as not enough.
>>
>>
>>
>>    Thank you!
>>
>>
>>
>>    Charles McCall
>>
>>    1985 DeTomaso Pantera GT5-S #9375
>>
>>    "Raising Pantera Awareness Across Europe"
>>
>>    <http://www.poca.com/index.php/gallery/?g2_itemId=2323>
>>    http://www.poca.com/index.php/gallery/?g2_itemId=2323
>>
>>
>>
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