M1 0w/50 racing oil

[Bill Verburg]

Just a FYI, M1 0w/50 racing oil w/ elevated ZDDP is supposed to be becoming available this May

M1 0w/30 is already available ZDDP, 1750ppm, it ain't cheap though

[Zeke]

Any word on what that stuff will do to your cat or cats?

[tchanson]

Thanks for the heads up, Bill.

Here's a link to Mobil 1 0w50 Racing Oil info from the Mobil website.

I look forward to seeing the details.




Tim

[wildcat077]

I've been using their Mobil 1 15w50 synthetic for the last three oil changes,looking forward to their new motor juice ...
Thank you for the info Bill !

Cheers !
Phil

[RWebb]

Thanks Bill!

I look forward to having a more easily available, convenient jug size, and lower cost oil!

[uwanna]

Originally Posted by tchanson

Here's a link to Mobil 1 0w50 Racing Oil info from the Mobil website.

I look forward to seeing the details.




Tim

I was excited to hear of this new Mobil product but
one of the glaring details in their adv, is NOT RECOMMENDED FOR STREET USE!
I'ts obviously a good race oil, but after a race, especially Nascar, the oil is typically discarded!
The more knowledgeable posters on the "huge oil thread" on this forum have admonished the use of "race oil' in street cars, due to the fact that race oil has much less detergent and is not meant for long term use. In fact they recommend if you use "race oil", you should change your oil between 1-2K miles.
I'm sure the new Mobil1 0-50 will not be bargin priced, and I for one couldn't afford the change intervals, much less the hastle of doing oil changes. My excitement has been crushed!
Now, you racer types, please just ignore my comments, as they are meant for fiscally challenged guys like me, with a Pcar daily driver.
Just my .02

[DanielDudley]

Milt, from what I can tell, catalytic converter life was Federally mandated to 100,000 miles in 2004, 120,000 miles in 2007, and 150,000 miles in 2009. The reduction of ZDDP has roughly followed this trend, and was dramatic, so it would be reasonabe to assume that this would mean that the life of a cat with ZDDP is going to be under 150,000 miles, and probably under 120,000 miles in general. However, it would seem that this would be aggravated in a car like a 3.2 Carrera using a quart every 3000 miles, as opposed to a Miata that uses no appreciable oil between changes.

An additional ZDDP fact that I recently ran across is that ZDDP actually breaks down in use. It deposits itself on highly stressed components, and is actually broken down into it's component parts of Zinc and Phosphorus. New ZDDP is continually deposited and broken down on these parts, as the ZDDP sacrifices itself to prevent wear on these components.

It would seem therefore, that relatively short oil change intervals would be a good thing, especially with borderline oils.

Change cams or change cats. A rock and a hard place there, but fresh, high flow cats do sound very appealing. If your car has tight guides, and uses little oil, I would think 80 to 100,000 miles would be a reasonable expectation.

[DanielDudley]

Another aside. I was recently shown a lab test where oils were tested for wear properties and shear strength. Of all the oils tested, Royal Purple had few rivals, and had a shear rating 20 times that of ordinary Mobil one. In the wear tests, most oils wore steel right into steel, in a grinding fashion. The Royal Purple actually burnished the wear area, creating it's own bearing surface, and subequently limiting wear. The English oil Pennright was the only other oil in the test exhibiting similar characteristics.

I just read them, I don't write em.

[Porsche-O-Phile]

Royal Purple is excellent stuff and what I use in my 911 but I guess that comment will probably get me banned from daring to go against the grain of the "Brad Penn is the best thing ever invented since the wheel" hive-mind around here.

[uwanna]

Originally Posted by Porsche-O-Phile

Royal Purple is excellent stuff and what I use in my 911 but I guess that comment will probably get me banned from daring to go against the grain of the "Brad Penn is the best thing ever invented since the wheel" hive-mind around here.

I agree that Royal Purple is absolutely "top drawer" stuff, and have used it with great success, with one caveat. I have more of the "synthetic leaky syndrome"
with it. I have switched to Brad Penn, because it's mostly Dino formula, doesn't leave ugly oil spots on my garage floor. I agree Brad Penn has become kind of a religion on this forum, but it seems to be one of the only alternatives for me. The other plus is the price, approx 1/2 of Royal Purple.

[RWebb]

Let's find out the detergent levels before we dismiss its use for street cars.

It may be race only b/c of the cat. conv. issue, not b/c of lack of detergent.

[Bill Verburg]

Neither of the two is aimed at street use because of the ZDDP and it's effect on cats. Similar to Brad Penn and Joe Gibbs. All 3 are labeled as racing oils

[JFairman]

Alot of the oil tests you see on the internet are old.
You have to look at the date the test was done and published.

Most oil tests will be completely obsolete and invalid in a year or two because oils keep changing.

[Jeff Alton]

Originally Posted by Porsche-O-Phile

Royal Purple is excellent stuff and what I use in my 911 but I guess that comment will probably get me banned from daring to go against the grain of the "Brad Penn is the best thing ever invented since the wheel" hive-mind around here.

Not at all, the Royal Purple is excellent oil. And I am a Brad Penn dealer...

[DanielDudley]

Originally Posted by Bill Verburg

Neither of the two is aimed at street use because of the ZDDP and it's effect on cats. Similar to Brad Penn and Joe Gibbs. All 3 are labeled as racing oils

As is Valvoline VR1.

[Bill Verburg]

Originally Posted by DanielDudley

As is Valvoline VR1.

I don't know about VR1, it's rated SM, which means it meets current low ZDDP levels for catalytic converters

[HarryD]

Originally Posted by Bill Verburg

I don't know about VR1, it's rated SM, which means it meets current low ZDDP levels for catalytic converters

Bill,

For the heavy weight oils (like 20W-50), the ZDDP levels do not need to be reduced. The oil formulator can choose to be higher (like>1200 ppm) and still be SM Compliant.

Only the ligher oils 0W-??, 5W-??, 10W-?? are required to have reduced ZDDP. The idea is that these oils are called for in roller tappet engines and higher ZDDP is not required to provide the wear protection that the flat tappet engines require.

Confusing, isn't it?

[Bill Verburg]

Originally Posted by HarryD

Bill,

For the heavy weight oils (like 20W-50), the ZDDP levels do not need to be reduced. The oil formulator can choose to be higher (like>1200 ppm) and still be SM Compliant.

Only the ligher oils 0W-??, 5W-??, 10W-?? are required to have reduced ZDDP. The idea is that these oils are called for in roller tappet engines and higher ZDDP is not required to provide the wear protection that the flat tappet engines require.

Confusing, isn't it?

yeah, I vaguely remember reading something about that

here's a link to the current M! offerings
M1 ZDDP levels the newer racing oils are included except for the 0w/50

[Bill Verburg]

here's the oil analysis for VR1, doesn't look too good to me

[walt]

On the Valvoline website they have a conventional VR-1 and a synthetic VR-1. On the conventional spec sheet updated 12/08 the zinc content is .14. For some reason, no claim to the zinc content of the synthetic VR-1.

Which VR-1 is the analysis above for?

Walt