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Follow-up on SAAB semi-synthetic 5W-30 virgin oil
Posted by J (more from J) on Tue, 1 Apr 2003 12:10:33
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Hi,
I asked a follow up question to blackstone labs about virgin oil
analysis. Molybdenum Disulfide is a fairly new anti-wear additive
which is touted as state of the art. Zincdithiophosphate is a tried an
true anti-wear additive.
For example Mobil 1 and Redline contain Molybdenum Disulfide, but other
reputable and highly regarded oils such as Amsoil and Delvac 1 do not.
Molybdenum Disulfide is expensive.
Anyway, I asked the following follow-up question about SAAB
semi-synthetic 5W-30 virgin oil analysis.
>Hi,
>
> I was surprised not to find any Molybdenum in
>this oil. Do the other anti-wear additives, such
>as Zinc, help in reducing wear in cases where
>oil is driven out between bearing surfaces under
>hard acceleration and high torque?
>
>thanks
>
>Jae
>
Blackstone Labs' answer is the following:
"Jae: Some oils use Molybdenum (is the oil as Molybdenum Disulfide) and
some don't. This oil does have a lot of Phosphorus and Zinc (in the oil as
Zincdithiophosphate) and this is a good anti-wear additive, so they think
the oil doesn't need any Molybdenum. These levels of additive would be
suitable for diesel engine use and are generally higher than what we see
from most 5W/30. It should do well in your engine, even in hard driving
situations. Let me know if you have any more questions.
Sincerely,
Ryan Stark
Blackstone Labs"
So, someone who's job is to look at oils thinks this oil is good.
It is true that we don't know how this oil stands up to longer oil
intervals, but as Greg says, if you stick with 5,000 mile oil change
interval, you should be fine with this oil.
thanks
Jae
posted by 167.4....
Posts in this Thread:
- Follow-up on SAAB semi-synthetic 5W-30 virgin oil, J, Tue, 1 Apr 2003 12:10:33 <-- Viewing This Message
- great info! i'm switching to 5w-30 semi-synth!, Jason 0W-40, Tue, 1 Apr 2003 23:12:58
- But would you eat it??, MisplacedYankee , Tue, 1 Apr 2003 22:43:31
- Re: Follow-up on SAAB semi-synthetic 5W-30 virgin oil, TG, Tue, 1 Apr 2003 15:17:33
- Well, it seems to be several jugs of Semi synt oil out>, SWEDECAR , Tue, 1 Apr 2003 20:52:20
- Picture of Euro Spec. Semi Synthetic oil ..., J, Tue, 1 Apr 2003 16:30:44
- TG ... do you at least have a picture?, J, Tue, 1 Apr 2003 16:01:09
- TG ... you can do oil analysis too. n/m, J, Tue, 1 Apr 2003 15:52:47
- Let me guess, Lou, Tue, 1 Apr 2003 15:10:22
- Phosphorous and Catalytic Converters, Stephen Goldberger, Tue, 1 Apr 2003 14:09:25
- Re: Follow-up on SAAB semi-synthetic 5W-30 virgin oil, Dean, Tue, 1 Apr 2003 13:25:07
- I guess I didn't ruin my engine after all., lowbar, Tue, 1 Apr 2003 13:17:25
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