[Healeys] Oil additives -- great informaton. Thanks.
Michael MacLean
rrengineer.mike at att.net
Sat May 2 14:40:01 MDT 2020
Kendall GT-1 20W-50 and other weights can be had on Amazon for half the price of Valvoline VR-1 with the same protection.
https://tinyurl.com/y7m6zlmx
Mike MacLean
On Friday, May 1, 2020, 9:11:28 PM PDT, Bob Spidell <bspidell at comcast.net> wrote:
Walmart had no problem shipping me a crap-ton of Valvoline VR-1 20W-50; still don't understand why the outfit in the Midwest I bought from before refused to ship to me. The Valvoline saga has some strange twists, a few years ago my favorite parts house 'had to pull it off the shelves;' I never got an explanation there, either. I haven't seen it on any parts house shelves since, but as long as Wallymart will ship for free @ less than $4/qt I'll be happy.
Bob
On 5/1/2020 10:30 AM, wwycoffbn7--- via Healeys 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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