[TR] Regarding oil . . .

[spook01]

i run shell rotella in the diesels, and that oil has reduced zddp from 
earlier formulations as well.
i talked with shell, and they said it was a pollution response for light 
trucks and cars running the oil.  they also said that too much zddp can be 
harmful to flat tappet engines.
sorta like the three bears story.
Best,
Ray

----- Original Message ----- 
From: <don at napanet.net>
To: <triumphs at autox.team.net>
Sent: Wednesday, May 06, 2009 1:34 PM
Subject: [TR] Regarding oil . . .


> On the subject of oil, does anyone know anything about the removal of zinc 
> from
> modern motor oil?  It's being done to protect catalytic converters. 
> There's an
> additive product that is supposed to compensate for this.  Supposedly, the 
> zinc
> in the oil protects flat tappets (as old British cars have).  Or you can 
> use a
> premium diesel grade motor oil which still has the zinc in it.
>
> http://www.zddplus.com/
>
> Don Scott
> 1962 MGA
> 2001 Miata SE BRG
> 1962 TR4 (seeking)
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