[Fot] Zinc Additive.

[Doug Mitchell]

This is the only additive that my Dad, a former GM engine designer
ever
recommended. It was unavailable for a number of years, and
may be available at
your local GM dealer as well.
 
As some of you know, my Dad was the designer
of record for the
Buick 215 which became the Rover/Triumph 3.5. (As well as
other
lumps).
 
Doug

From: Duncan Charlton <duncan.charlton54 at gmail.com>
To:
Glenn Franco <gaf3 at charter.net>
Cc: 6pack at autox.team.net; Friends of triumph
<fot at autox.team.net>
Sent: Monday, October 31, 2011 7:35 PM
Subject: Re: [Fot]
Zinc Additive.

I just bought some of this but haven't tried it yet -- GM's
EOS additive:

http://tinyurl.com/3kss8hn
Duncan

On Mon, Oct 31, 2011 at
10:47 AM, Glenn Franco <gaf3 at charter.net> wrote:
> Hi All
>
> I have torn down
4 TR6 engines in the past 4 months all with wiped out cams.
> The latest was a
performance reground cam with low miles and 2 lobes
> severely worn.
>
> I
know this has been a topic/thread in the past but wondered what if any
> Zinc
Additives are out there.
>
> For the rebuilds, I used either Brad Penn 30wt
break in oil, Valvoline
> Racing oil (20w50) and Rotella ( 15w40 highest in
zinc of the diesel oils)
>
> As these engines age their owners are going to
start changing their own oil,
> Most have switched back to Castrol 20w50.
> As
I understand that formula has changed to the low zinc for emissions.
> I'm
running it in my engine as well.
>
> I'm now very concerned and would like to
get this under control with an
> additive.
>
> Any Suggestions?
> Thanks in
Advance
> Glenn Franco
> Too Many TR's
>
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