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Oil gurus... thoughts on ZDP levels of this oil...

See the attached PDF. It's regarding Vavoline NSL (Not Street Legal) Synthetic Racing oil.

http://www.valvoline.com/products/Specialty%20Synthetic%20Racing%20Oils.pdf

Up until now, my 930 has been a Mobil 1 20w50 car. With 63,500 miles, no engine issues, and original turbo running strong, it seems to have worked. Car is only driven about 1,000 miles a year, so I go with the yearly oil change. I am due in Feb.

To me, it appears that Vavoline has found a work around for the ZDP issue and called it "not street legal." Of course, this is fine with me -- not worried about being pulled over for inappropriate use of oil. Further, my 930 is Euro with no cat.

Main question: Has anyone had experience with Valvoline NSL Synthetic 20w50, and what are your recommendations? According to the spec sheet, it has the exact requirement of 0.12% Zn and P that LN Engineering seems to think is best (along with a host of other websites, not specifically relating to Porsche, but relating to "older air-cooled engines" -- both motorcycle and car. It's $9/quart, but at one change a year, not too concerned with cost.

And before anyone says anything, I apologize if I am "late to the game" as it were. Its possible this has been discussed ad nauseum and I have indeed searched both the List and here. However, this is the first I have really needed to research oil as I purchased my car a year ago and the shop that did some work on oil lines simply did the change with Mobil 1 (and previous records dating back years and years show Mobil 1). And my research has brought me to Vavoline NSL Syn 20w50.
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Current: 1982 Platinum Metallic 930, stock (P-CarOnline.com) / www.Type930.com
Former: 1989 Glacier Silver 944 "S3", 1987 Guards Red 924 S
Also in the family: 1992 Polar Silver 968 Cab, stock
Old 12-26-2008, 08:46 AM
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I am really interested in this product myself.
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Old 12-26-2008, 09:41 AM
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Well this topic has been discussed ad nauseam...however you have brought a fresh new product to my attention!

So I say cool thread.

Sounds like a good product.
Old 12-26-2008, 09:50 AM
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Found this interesting read.

http://forums.corvetteforum.com/c3-tech-performance/1646912-vr1-racing-oil-isnt-the-oil-we-thought-it-was.html
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WTB: 964/965 Turbo stuff...carbon fibre bits, Techart wheel parts, RS/lightweight flywheel, 993 EVO uprights, G50 gears or 6 sp., 964 RSR swaybars, custom droplinks and any other cool stuff, pm me! Also a nice medium build 327 Chevy engine.

Coming SOME DAY...1991 3.3 turbo, Tahoe Blue Metallic with some mods
Old 12-26-2008, 09:53 AM
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Read through that thread on the Corvette forum completely, you will find emails to and responses from Valvoline regarding their VR1 and NSL synthetic oils. Interesting. I do not see how they would be able to get away with it, or why they would, lie about the levels of Zn and P in their oils. My guess is they aren't, and some of the down-talking on that forum is from people who think they know everything, but don't.

VR1 is listed as SM/SL/SJ "meets or exceeds" so given that SJ, according to LN Engineering, has the levels we need, and Vavoline's own product data sheet lists it as 0.14%/0.13%, which exceeds the 0.12% level LN Engineering recommends, seems to be a possible replacement to the great Mobil 1 for older air-cooled engines.
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Current: 1982 Platinum Metallic 930, stock (P-CarOnline.com) / www.Type930.com
Former: 1989 Glacier Silver 944 "S3", 1987 Guards Red 924 S
Also in the family: 1992 Polar Silver 968 Cab, stock
Old 12-26-2008, 10:26 AM
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Interesting...

http://www.animegame.com/cars/Oil%20Tests.pdf
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-Matt

Current: 1982 Platinum Metallic 930, stock (P-CarOnline.com) / www.Type930.com
Former: 1989 Glacier Silver 944 "S3", 1987 Guards Red 924 S
Also in the family: 1992 Polar Silver 968 Cab, stock
Old 12-26-2008, 10:36 AM
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Sent this to Valvoline:

Quote:
Hello,

I have a 1982 Porsche 911 Turbo, European spec. Mobil 1 has been used in this car for many, many years, probably since Mobil 1 first hit the market. The car is all original engine, original turbo. 63,500 miles. Operates smooth and strong.

My question stems from the fact Mobil 1 has lowered the levels of Zn and P in their product. And the "Porsche approval" list for 0w30 is a joke when applied to older, air-cooled Porsches.

I have read your data sheets for VR1 and NSL Synthetic Racing 20w50 products. I would like to stick with synthetic in the car, and I appreciate the increased levels of Zn and P both of these blends offer. I drive the car about 1,000/year. I understand that the main difference in the two is the levels of calcium (please correct me if I am wrong), and that the VR1 is more of the 3k mile interval, while the NSL is 500 miles. Under normal driving conditions (NOT racing), would the NSL Synthetic blend stand up to a year or 1,000 miles? I change the oil each year, and as mentioned, it's driven about 1,000 miles. I would think the synthetic would last longer than 500 miles, however, you guys are the experts, I'm not. But I'm hoping that normal driving conditions, a racing synthetic will stand up.

If you do not recommend this, what is your recommendation? Because your SynPower synthetic blends do not have the recommended levels of ZDP for older air-cooled Porsche engines, and I would like to continue to use synthetics.

Thanks for your time.

Regards,
Matt
I will let you know when/if I receive a response.
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Current: 1982 Platinum Metallic 930, stock (P-CarOnline.com) / www.Type930.com
Former: 1989 Glacier Silver 944 "S3", 1987 Guards Red 924 S
Also in the family: 1992 Polar Silver 968 Cab, stock
Old 12-26-2008, 11:33 AM
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I assume you are familiar with Mr. Navarro's oil thread: Ultimate Motor Oil Thread or Why we hate CJ4/SM oils
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Old 12-26-2008, 10:07 PM
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Quote:
Originally Posted by Flieger View Post
I assume you are familiar with Mr. Navarro's oil thread: Ultimate Motor Oil Thread or Why we hate CJ4/SM oils
No I was not. Thanks for the tip. On page 18 he posts his results for Valvoline NSL Racing 20w50, and he says the results are good. Not alot of real world testing though.

Thanks,
Matt
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-Matt

Current: 1982 Platinum Metallic 930, stock (P-CarOnline.com) / www.Type930.com
Former: 1989 Glacier Silver 944 "S3", 1987 Guards Red 924 S
Also in the family: 1992 Polar Silver 968 Cab, stock
Old 12-27-2008, 07:06 AM
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FYI - I was using AMSOIL 20/50 racing, and when I called their tech dept to discuss their motorcycle oil, they told me they would not recommend the racing oil in a motor where the oil drain intervals are the normal 3/6/12 months. Their racing oil does not have the detergents and anti-corrosive's that are critical to motors that run normal oil change intervals. Their racing oil is designed to run the event and then be changed!

I'd ck the same with Valvoline especially since you are going as long as a year between oil changes and never drive your car.
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Last edited by timc; 12-27-2008 at 07:55 AM..
Old 12-27-2008, 07:53 AM
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