[Mgs] ZDDP

[Simon Matthews]

On Thu, Jan 10, 2013 at 11:22 AM,  <frankk12 at verizon.net> wrote:
> Max: I have never used synthetics and wonder about the wisdom of switching
> when my engines have so many miles on them. I have heard stories of seals
> leaking after such a switch.



I think that the leaking issues was a problem with early synthetics.
Not a problem now.

Amsoil sells oils with a "high zinc formulationto prevent wear on
flat-tappet camshafts". I don't know how "high" it is.

Simon

> Frank
> ----- Original Message ----- From: "Max Heim" <mvheim at sonic.net>
> To: "MG List" <mgs at autox.team.net>
> Sent: Thursday, January 10, 2013 2:19 PM
> Subject: Re: [Mgs] ZDDP
>
>
>> Mobil 1 Synthetic in the 15W-50 weight ONLY contains 1200ppm of phosphorus
>> and 1300ppm of zinc ("recommended for racing and flat tappet
>> applications").
>> I switched to this oil for my vintage cars once I discovered this fact.
>> It's
>> expensive ($8+/qt), but probably less expensive (and certainly less
>> hassle)
>> than dealing with additives.
>>
>>
>>
>> on 1/10/13 11:04 AM, frankk12 at verizon.net at frankk12 at verizon.net wrote:
>>
>>> Has anyone found a  source for ZDDP that is reasonable? I checked MOss
>>> and the
>>> shipping is 50% of the cost of the ZDDP.  My local NAPA store has never
>>> heard
>>> of it.
>>> Frank Krajewski
>>
>>
>>>
>>
>> --
>>
>> Max Heim
>> '66 MGB GHN3L76149
>> If you're near Menlo Park, CA,
>> it's the primer red one with chrome wires
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