[Healeys] Oil additives -- great informaton. Thanks.

[i erbs]

This came across my feed yesterday. seemed to be timely posted
https://www.oldcarsweekly.com/restoration/new_oil_and_old_cars. A history
of engine oil development
Ira Erbs
Portland,OR
      _______                                  _______
     (______ \____1959 BN4____/ _______)
         (_________________________)
          BT7 engine and disk brakes


1967 MGB  [image: MG]

A racing car is an animal with a thousand adjustments. Mario Andretti
Please excuse random auto corrects and misspelled words


On Fri, May 1, 2020 at 10:38 AM wwycoffbn7--- via Healeys <
healeys at autox.team.net> wrote:

> Hi,
>
> Thanks all.  As is usual there is a lot of good discourse and experience
> shared by the list.  What triggered my question on oil and oil additives
> was the observation of a bottle of Red Line 10W40 image that did not
> display the usual statement that it contains ZDDP.  For decades I have
> used that oil as it carries proper oil pressure, suites the climate, etc.
>  However, if Red Line stopped including ZDDP, I would find another oil.  I
> also recalled that some time back, Bob Spidell having to find a new outlet
> for Valvoline 20W50 as it seemed that it no longer cleared some California
> rule changes.  I wondered it this happened to Red Line.
>
>
>
> So, I sent off an inquiry to Red Line and not getting a rapid response
> sent one to our Healey group.  The Healey group was much faster to
> respond.  While most business are slowed down by COVID-19, a Red Line
> response did come.  The assurance is that Red Line Motor Oil 10W40 (SKU
> 11404) contains good ZDDP levels, plenty for an Austin Healey's flat tappet
> cam and lifters; 1225ppm zinc and more importantly 1375ppm phosphorus.
>
> As to their break in additive, their Web site indicates that a half bottle
> is enough to add to a conventional oil.  It also has bit of sulfur, 16.6
> grams.  I have to wonder if adding it to their 10W40 could result in too
> much.  I am just not inclined to experiment.
>
>
>
> The 3000’s owner’s manual only mentions 30 weight oil, even for tropical
> heat.  However, the “Work shop Manual” (the Green Book) has a much more
> expansive table that promotes a lot of weights depending on the
> manufacturer.  The aspect that modern oils are a bit different than those
> available when the book came out adds a bit more uncertainty.
>
>
>
> I am confident using the 10W40.  I used 10W50 in my Triumph, but it was
> an air-cooled engine and was REAL hard to start in freezing weather.  There
> were also a lot of reputable recommendations that led me to Red Line’s
> 10W40.  The oil pressure is proper, so I don’t see an upside for me to
> use a heavier oil.
>
>
>
> Many thanks to the folks who responded.
>
>
>
> Bill
>
>
>
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