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#4360399 - 03/22/17 03:38 PM SAE 30 Grade Racing oil formulation
MolaKule Offline


Registered: 06/05/02
Posts: 19042
Loc: Iowegia - USA
Here is a SAE 30 Grade Semi-Synthetic Racing oil (ONLY) formulation (Values rounded up or down);

Zinc - 1600 ppm
Phosphorus - 1450 ppm
Calcium - 2200 ppm
Sodium - 350 ppm
Silicon - 5 ppm
Vis @ 100C (cSt) 12.35
Flash Point 261C
Pour Point -35C
VI 150

Not to be used in vehicles with Catalytic Converters. cool


Edited by MolaKule (03/22/17 03:41 PM)

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#4360403 - 03/22/17 03:41 PM Re: SAE 30 Grade Racing oil formulation [Re: MolaKule]
Shannow Offline


Registered: 12/12/02
Posts: 39850
Loc: 'Stralia
Molakule,
in "SAE30", are you suggesting that as per J300, there's no VII, or as it's a racing oil is the "W" not a design parameter.

No problems with that level of zinc with spalling/pitting ?

It's a little in the face of a number of myths, looks good.

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#4360422 - 03/22/17 04:11 PM Re: SAE 30 Grade Racing oil formulation [Re: Shannow]
MolaKule Offline


Registered: 06/05/02
Posts: 19042
Loc: Iowegia - USA
Originally Posted By: Shannow
Molakule,
in "SAE30", are you suggesting that as per J300, there's no VII, or as it's a racing oil is the "W" not a design parameter.

No problems with that level of zinc with spalling/pitting ?

It's a little in the face of a number of myths, looks good.


The customer wanted a "narrow" SAE 30 grade and therefor does not contain any VII's.

VI and viscosity is determined primarily by the mix of base oil types and viscosities.

Label will indicate that as a racing oil, it is to be changed after the daily racing event, and further indicate that a conventional daily driver oil should be installed prior to storage.

One of the tests done was on a blueprinted 625 Hp V8 engine (very expensive test btw) for hours at varying RPM under varying loads. Crankshaft, cams and bearings were examined microscopically after teardown and no spalling or corrosion pitting were indicated.


Edited by MolaKule (03/22/17 04:15 PM)

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#4360434 - 03/22/17 04:22 PM Re: SAE 30 Grade Racing oil formulation [Re: MolaKule]
BrocLuno Offline


Registered: 09/06/15
Posts: 5512
Loc: Kalifornia Kollective
I like it. Seems like racing oils I have run into in the past ... Problem is hot shoes like to try to run it on the street duh


Edited by BrocLuno (03/22/17 04:23 PM)
_________________________
Formerly in marine engineering. In an earlier life I owned my own petroleum tank truck, and hauled for the majors and independent's.

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#4360479 - 03/22/17 05:14 PM Re: SAE 30 Grade Racing oil formulation [Re: MolaKule]
MolaKule Offline


Registered: 06/05/02
Posts: 19042
Loc: Iowegia - USA
BTW, friction modifiers are ashless. You don't want anymore ash forming on spark plugs and valving than necessary.

At the high temps and high air flows involved in the test engine, little ash was formed.

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#4360884 - 03/23/17 04:14 AM Re: SAE 30 Grade Racing oil formulation [Re: MolaKule]
Shannow Offline


Registered: 12/12/02
Posts: 39850
Loc: 'Stralia
Nice, thankyou for the additional information Molakule.

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#4360937 - 03/23/17 06:15 AM Re: SAE 30 Grade Racing oil formulation [Re: MolaKule]
userfriendly Offline


Registered: 06/03/03
Posts: 2630
Loc: LaFinDuMonde
I'll guess it a 15W30, HTHS 3.55 and density .850

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#4361865 - 03/24/17 12:02 AM Re: SAE 30 Grade Racing oil formulation [Re: userfriendly]
MolaKule Offline


Registered: 06/05/02
Posts: 19042
Loc: Iowegia - USA
Originally Posted By: userfriendly
I'll guess it a 15W30, HTHS 3.55 and density .850


HTHS is 3.7

TBN is 7.5.

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#4361888 - 03/24/17 02:05 AM Re: SAE 30 Grade Racing oil formulation [Re: MolaKule]
SR5 Offline


Registered: 07/07/15
Posts: 4461
Loc: Down Under
Another great oil from MolaKule
_________________________
Penrite Vantage 10W40 SN & A3/B4 + Wesfil-Cooper Z154

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#4361891 - 03/24/17 02:32 AM Re: SAE 30 Grade Racing oil formulation [Re: MolaKule]
SR5 Offline


Registered: 07/07/15
Posts: 4461
Loc: Down Under
Originally Posted By: MolaKule
Zinc - 1600 ppm
Phosphorus - 1450 ppm
Calcium - 2200 ppm
Sodium - 350 ppm
Silicon - 5 ppm
Vis @ 100C (cSt) 12.35

Originally Posted By: MolaKule
Originally Posted By: Shannow
No problems with that level of zinc with spalling/pitting ?

One of the tests done was on a blueprinted 625 Hp V8 engine (very expensive test btw) for hours at varying RPM under varying loads. Crankshaft, cams and bearings were examined microscopically after teardown and no spalling or corrosion pitting were indicated.


That makes sense to me. Many of my friends and I ran Penrite HPR 30 in our cars and bikes for years, both leaded and unleaded fuel, but none had cats. The HPR 30 has 1570ppm Zinc, and I never heard of any problems, even after years of usage.

I notice you have a touch of sodium there, what is that for ? You have ample TBN for an oil that should be changed after a single day at the race track.

Just for arguments sake, if somebody did live in a very hot climate (me) so no winter start issues. Plus they had an older cat-less pushrod car (younger me), so no zinc issues. Then they went against the advice on the label and ran the oil for 6 months say (younger foolish me), would you expect any issues with the engine / oil ? Maybe it has limited dispersant levels to hold the soot in suspension ? But I'm just guessing.
_________________________
Penrite Vantage 10W40 SN & A3/B4 + Wesfil-Cooper Z154

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#4362173 - 03/24/17 11:40 AM Re: SAE 30 Grade Racing oil formulation [Re: MolaKule]
MolaKule Offline


Registered: 06/05/02
Posts: 19042
Loc: Iowegia - USA
Quote:
Sodium 2-mercaptobenzothiazole can be used as a metal deactivator to keep metals from reacting with other compounds, and to help retard oxidation.

Some sodium compounds such as sodium dibutyl dithiocarbamate SDDC) are used as another anti-wear agent in lieu of conventional AW compounds. SDDC shows a low fricton coefficient with good polarity since being a dithio-type compound, has sulfur atoms for polarity enhancement.



https://bobistheoilguy.com/forums/ubbthreads.php/topics/2764914/Alternative_Detergents_%22S#Post2764914

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#4362618 - 03/24/17 09:22 PM Re: SAE 30 Grade Racing oil formulation [Re: MolaKule]
SR5 Offline


Registered: 07/07/15
Posts: 4461
Loc: Down Under
Originally Posted By: MolaKule
Quote:
Sodium 2-mercaptobenzothiazole can be used as a metal deactivator to keep metals from reacting with other compounds, and to help retard oxidation.

Some sodium compounds such as sodium dibutyl dithiocarbamate SDDC) are used as another anti-wear agent in lieu of conventional AW compounds. SDDC shows a low fricton coefficient with good polarity since being a dithio-type compound, has sulfur atoms for polarity enhancement.



https://bobistheoilguy.com/forums/ubbthreads.php/topics/2764914/Alternative_Detergents_%22S#Post2764914


Thank you !
_________________________
Penrite Vantage 10W40 SN & A3/B4 + Wesfil-Cooper Z154

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#4362620 - 03/24/17 09:28 PM Re: SAE 30 Grade Racing oil formulation [Re: SR5]
Shannow Offline


Registered: 12/12/02
Posts: 39850
Loc: 'Stralia
Originally Posted By: SR5
Just for arguments sake, if somebody did live in a very hot climate (me) so no winter start issues. Plus they had an older cat-less pushrod car (younger me), so no zinc issues. Then they went against the advice on the label and ran the oil for 6 months say (younger foolish me), would you expect any issues with the engine / oil ? Maybe it has limited dispersant levels to hold the soot in suspension ? But I'm just guessing.


great question, I would like to know too...

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#4457374 - 07/12/17 03:19 PM Re: SAE 30 Grade Racing oil formulation [Re: MolaKule]
1JZ_E46 Offline


Registered: 04/04/16
Posts: 1224
Loc: Oregon
Where can I buy it?
_________________________
2007 BMW X5 4.8i, 105K: Castrol EDGE 0W-40, Mann
2012 Mini Cooper, 45K: Castrol EDGE 0W-30, Mann

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#4483920 - 08/09/17 05:17 PM Re: SAE 30 Grade Racing oil formulation [Re: MolaKule]
DWC28 Offline


Registered: 07/31/03
Posts: 207
Loc: Houston, TX
Lubrizol used to run a lot of sodium in their motor oil packages. No one else at the time did.

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