[DeTomaso] ZDDP zinc oil additive

Thu Mar 12 12:37:55 EDT 2009

The Valvoline site states the VR-1 has ZDDP added, BUT ONLY IF MADE IN  
US OR CANADA.

Might be worth checking the bottle before you buy.

Quoting Paul - Home <thedrol at pobox.com>:

> As Asa stated you need to be VERY careful in your choice of oil for a
> flat tappet cammed engine.  The Mobil 1 chart showed an oil that had
> 1200 ppm of ZDDP.  But I've seen other Mobil 1 charts, that show that
> level of ZDDP only for older mixes of oil, not for the stuff you can buy
> at the auto parts store.  Rotella and other diesel oils are not going to
> be sufficient and are already starting to reduce the ZDDP levels.
>
> Your best bet is to go with a specialty oil and to carefully research it.
>
> Paul
>
> Ian H wrote:
>> I  just checked the Mobil 1 web site an they say that their 15W50 (which is
>> what I use) has 1200 ppm of ZDDP.   Most others in their line have 800ppm, a
>> couple have 1000ppm.  Is 1200 enough?  I don't know  but it's better than
>> nothing, I guess.
>>
>> Heres a chart of their product line The last line labled Phosphous content
>> is the ZDDP level.
>> http://www.mobiloil.com/USA-English/MotorOil/Files/Mobil_1_Product_Guide.pdf
>>
>> Ian
>>
>>
>> ----- Original Message -----
>> From: <cengles at cox.net>
>> To: "Asa Jay Laughton" <asajay at asajay.com>
>> Cc: <detomaso at realbig.com>
>> Sent: Thursday, March 12, 2009 7:39 AM
>> Subject: Re: [DeTomaso] ZDDP zinc oil additive
>>
>>
>>> Dear Asa,
>>>
>>> I am a bit confused. I understand that Mobil 1, VR-1 and Amsoil, etc, are
>>> trick, synthetic oils with many advantages over dino oil. My dumb question
>>> is if those advantages include synthetic compensation for the lack of
>>> ZDDP? My guess is that while they excel in most areas of oil function, the
>>> specific problem area that ZDDP addresses requires----specificaly ZDDP.
>>> Anybody know if the synthetics need no additives or if a little "snort" of
>>> ZDDP is beneficial in our flat tappet cam engines?
>>>
>>> Often confused, Chuck Engles
>>>
>>>
>>>
>>> ---- Asa Jay Laughton <asajay at asajay.com> wrote:
>>>> But there are also alternatives out there, like Mobil 1, Valvoline VR-1,
>>>> Amsoil. You just need to do the research, and there is a lot of it out
>>>> there. I recently switched back to Amsoil and I'm loving it.
>>>>
>>>> :)
>>>>
>>>> Asa Jay
>>>>
>>>> Asa Jay Laughton, MSgt, USAFR, Retired
>>>>
>>>> &Shelley Marie
>>>> Spokane, WA
>>>>
>>>> 1971 Mach I Mustang [ASA JAY]
>>>> 1973 Pantera L 5533 [ASASCAT]
>>>>
>>>> ******************************
>>>> http://www.asajay.com
>>>> http://www.351c.info
>>>>
>>>>
>>>>
>>>>
>>>> pantdino at aol.com wrote:
>>>>> What you say is true-- any oil approved for a new car would be terrible
>>>>> for a flat-tappet engine.
>>>>> But if you use a gas-diesel approved oil like Delo or Rotella will still
>>>>> be OK as of now.
>>>>> That could change in the future if the government requires further
>>>>> reductions in those oils also.
>>>>>
>>>>> Jim Oddie
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> -----Original Message-----
>>>>> From: Robert Kirk <kirkbrit at yahoo.com>
>>>>> To: detomaso at realbig.com
>>>>> Sent: Wed, 11 Mar 2009 2:28 pm
>>>>> Subject: [DeTomaso] ZDDP zinc oil additive
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> I?have recently become aware that current motor oils are profoundly
>>>>> lacking
>>>>> enough zinc to adequately lubricate older engines.?
>>>>> One of my MGC customers has had a major failure with his new Cam.?? I now
>>>>> learn
>>>>> that lack of sufficient zinc (ZDDP) in the oil is probably a supporting
>>>>> if not
>>>>> causation of the problem.? I now am now on board with what looks to be
>>>>> the best
>>>>> solution on the market...."ZDD plus".??? Anyway I wanted to offer the
>>>>> group an
>>>>> opportunity to purchase a small quantity (5 4oz bottles) at a 25%
>>>>> discount to
>>>>> the retail price of $9.95/bottle.? That would be enough to do 5 oil
>>>>> changes.?
>>>>> Moss gets $12/bottle with their dealer cost still over the MSR of $9.95
>>>>> A brief run down of the problem:
>>>>> http://www.macysgarage.com/myweb6/ZDDP.htm
>>>>> ?
>>>>> More information about the product I sell at:
>>>>> http://www.zddplus.com/
>>>>> ?
>>>>> This is a real problem for pre catylitic cars with flat lifters.? I hope
>>>>> to have
>>>>> much more posted to my web site very soon.? This product has 4 times as
>>>>> much as
>>>>> the GM marketed brake in oil and is light years ahead of most any modern
>>>>> oil.?
>>>>> There seems to be a lot of chest pounding and out and out untruths about
>>>>> several
>>>>> modern oils but the bottom line is that if it is recommended for a new
>>>>> car it
>>>>> doesn't have sufficient ZDDP....reason being zinc eats catylitic
>>>>> converters.?
>>>>> ?
>>>>> If interested please contact me directly off list.
>>>>>
>>>>>
>>>>>
>>>>> Regards,
>>>>> Robert Kirk
>>>>> www.kirks-auto.com
>>>>> ?
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