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Old 03-03-2015, 06:41 AM   #1
ozmoses OP
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Question Rotella

What's the latest thinking on using Shell Rotella (non-syn) in 'heads? Weight?


Unable to find my usual Castrol 4T on any shelf locally.

(last thread results I found were ca 2012)
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Old 03-03-2015, 07:12 AM   #2
CafeDude
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I've been using it for many years in my bikes. 15w-40 for my climate. I don't ride when the temps get below 50 or so.

CafeDude screwed with this post 03-03-2015 at 07:19 AM
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Old 03-03-2015, 07:46 AM   #3
Uke
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Ahhh, an oil thread. . . .

Rotella T, 15w - 40, is all I use in my '93 R100R. I buy 5 qt jugs at wally world.
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Old 03-03-2015, 07:49 AM   #4
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Quote:
Originally Posted by ozmoses View Post
What's the latest thinking on using Shell Rotella (non-syn) in 'heads? Weight?


Unable to find my usual Castrol 4T on any shelf locally.

(last thread results I found were ca 2012)
I contacted their engineering this winter to request a clarification on their continued usage of ZDDP, and they confirmed it is still being added, to the tune of roughly 1100ppm.
I figure 15W40 is a nice choice, so inexpensive to purchase.
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Old 03-03-2015, 07:55 AM   #5
190e
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Last test results I saw showed Rotella have decent enough ZDDP so I'd say it's still OK to use. In the overall scheme of things it's wear performance was middling compared to the really good stuff like Valvoline racing but at the price Rotella is a safe bet.
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Old 03-03-2015, 08:07 AM   #6
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According to my factory shop manual, 15w-40 is good from zero F to about 65F.
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Old 03-03-2015, 09:54 AM   #7
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BMW gradually extended the temperature ranges over the years and the last chart they issued in 1995 applicable to /5's onwards shows use of 15W40 all the way up to 30 deg C or 86 Deg F.
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Old 03-03-2015, 10:32 AM   #8
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Quote:
Originally Posted by ozmoses View Post
What's the latest thinking on using Shell Rotella (non-syn) in 'heads? Weight?
I use Rotella T in all my bikes (dirt bikes, BMW airheads), 15W-40, all year, all temps. Named my daughter Rotella T. Jones.
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Old 03-03-2015, 10:40 AM   #9
Cogswell
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I tried it in my Airhead one year, motor sounded too noisy to me in the dead of summer heat. Went back to a 20w50 end and all is well again.



YMMV


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Old 03-03-2015, 11:00 AM   #10
R100RT Mark
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BMW gradually extended the temperature ranges over the years and the last chart they issued in 1995 applicable to /5's onwards shows use of 15W40 all the way up to 30 deg C or 86 Deg F.
Which rules out June, July and August here in Atlanta. In practice probably May and September too. Probably the same for much of the southern U.S.
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Old 03-03-2015, 11:29 AM   #11
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I bought a case of Golden Spectro 4 in 20/50w last year . Had to special order it ; nobody carries it around here . It's expensive , but a case is good for at least 5 oil changes . That's a lot of miles of not worrying about the oil in my bike .
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Old 03-03-2015, 11:37 AM   #12
disston
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I used Rotella in my last oil change. I added a small container of STP to it.
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Old 03-03-2015, 02:01 PM   #13
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Good info, guys.

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