[Mgs] Oil Additive

[Simon Matthews]

That article doesn't include the detail that the allowed  formulation
of oils depends on the weight of the oil. So a 20W/50 oil can contain
a lot more zinc and phosphorous than a 5W/30.

Simon

On Sat, Jul 6, 2019 at 8:29 AM Chris Attias via Mgs <mgs at autox.team.net> wrote:
>
> Oil technology is changing quickly, with the change in emissions and fuel economy regulations and the redesign of newer engines.  Additive packages are now designed for engines that run hotter, have tighter tolerances, and must be cleaner to preserve catalytic converters and oxygen sensors. It's easy to think in terms of individual brands that have "always been good", but the thing that most affects the choice of oil is the API Service Classification.
> I found a good summary of the rapid changes in oil standards here:
> http://www.pqiamerica.com/apiserviceclass.htm
> As classifications change, old oil formulations become obsolete, the appropriate oil for flat tappet engines has become pretty much the product of specialty oil companies like Royal Purple, Driven/Joe Gibbs, Red Line, Lucas, and Collectors Choice (Moss).
>
> Chris
>
> On Fri, Jul 5, 2019 at 10:32 PM Charley Robinson via Mgs <mgs at autox.team.net> wrote:
>>
>> I've been reading up on it to refresh my memory.  A lot of folks just take other peoples' word for it.
>>
>> CR
>>
>> On 7/5/2019 9:02 PM, Max Heim via Mgs wrote:
>>
>> Only certain weights. You have to read the labels, or usually the spec sheets.
>>
>> --
>> Max Heim
>> mvheim at sonic.net
>>
>>
>>
>> On Jul 5, 2019, at 6:15 PM, FrankK <frankk12 at verizon.net> wrote:
>>
>> I assume all those brands include the correct ZDDP proportions./
>>
>> From: Max Heim
>> Sent: Friday, July 5, 2019 9:02 PM
>> To: FrankK ; MG List
>> Subject: Re: [Mgs] Oil Additive
>>
>> Right, but there are other brands. I use Mobil1 15W50. Others use Royal Purple, Joe Gibbs, Kendall or AMSoil brands.
>>
>>
>> --
>> Max Heim
>> mvheim at sonic.net
>>
>>
>>
>>
>> ________________________________
>>
>>
>>
>> man/options/mgs/charley38 at twc.com
>
>
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