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Old 03-30-2009, 11:35 AM   #1
Jhovany
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Default Anyone running Rotella T???

Anyone running Rotella T 15w40 in their Cosworth engine? I have the Cosworth Shortblock on my 06 STI and running nothing but Mobil 1 fully synthetic 15w50 (that is what Cosworth recommends). I am just curious as to how this motor oil performance in these engines???? Thank you!
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Old 03-30-2009, 11:40 AM   #2
methaddict
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Quote:
Originally Posted by Jhovany View Post
Anyone running Rotella T 15w40 in their Cosworth engine? I have the Cosworth Shortblock on my 06 STI and running nothing but Mobil 1 fully synthetic 15w50 (that is what Cosworth recommends). I am just curious as to how this motor oil performance in these engines???? Thank you!
My machinist recommended using Rotella T 30 non synthetic for the break in because of the zinc content.
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Old 03-30-2009, 12:26 PM   #3
Artie@Agile Auto
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Quote:
Originally Posted by Jhovany View Post
Anyone running Rotella T 15w40 in their Cosworth engine? I have the Cosworth Shortblock on my 06 STI and running nothing but Mobil 1 fully synthetic 15w50 (that is what Cosworth recommends). I am just curious as to how this motor oil performance in these engines???? Thank you!
Rotella is very good oil, but I would not recommend using 15w-40, try to find 15w-50. The oil clearances set by Cosworth are too wide for the 15w-40 you need thicker oil like 15w-50.
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Old 03-30-2009, 12:28 PM   #4
Artie@Agile Auto
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Quote:
Originally Posted by methaddict View Post
My machinist recommended using Rotella T 30 non synthetic for the break in because of the zinc content.
He is 100% correct, you want to break your engine in using oil that contains a lot of zinc.
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Old 03-30-2009, 12:36 PM   #5
Jhovany
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Quote:
Originally Posted by Artie@Agile Auto View Post
Rotella is very good oil, but I would not recommend using 15w-40, try to find 15w-50. The oil clearances set by Cosworth are too wide for the 15w-40 you need thicker oil like 15w-50.

Sweet...thank you! I believe this right here just told me everything I needed to know!
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Old 03-30-2009, 04:50 PM   #6
rallygc8
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I use the SYNTHETIC 5w40 Rotella.
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Old 03-30-2009, 05:38 PM   #7
Jhovany
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Originally Posted by rallygc8 View Post
I use the SYNTHETIC 5w40 Rotella.
on a Cosworth engine?
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Old 03-30-2009, 05:48 PM   #8
Jhovany
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Quote:
Originally Posted by Artie@Agile Auto View Post
Rotella is very good oil, but I would not recommend using 15w-40, try to find 15w-50. The oil clearances set by Cosworth are too wide for the 15w-40 you need thicker oil like 15w-50.
I have been trying to find fully synthetic Rotella T 15w-50 and I believe there is no such thing as Rotella T 15w-50, Any truth to this?
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Old 03-30-2009, 05:51 PM   #9
benw
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I'm using Rotella T conventional 15w40 for break-in and it's great. I will switch to synthetic 5w-40 on my next change.
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Old 03-30-2009, 11:21 PM   #10
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Wait a week and I'll be able to say that I'm running the 5w40. I just spent half the day today finding the damned stuff.
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Old 03-30-2009, 11:44 PM   #11
06rexwagon
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Hey Jhovany, you missed a good drag day. I have been thinking of switching from Mobil to Rotella myself.
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Old 03-31-2009, 12:12 AM   #12
sideways7
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rotella "t" is their truck line of oil. it is non synthetic. it is a good oil for break in. ( it does have higher zinc content) i would absolutely not recommend running non synthetic past break in. these motors MUST have full synthetic

mark
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Old 03-31-2009, 12:15 AM   #13
williaty
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Quote:
Originally Posted by sideways7 View Post
rotella "t" is their truck line of oil. it is non synthetic. it is a good oil for break in. ( it does have higher zinc content) i would absolutely not recommend running non synthetic past break in. these motors MUST have full synthetic

mark
Wrong.


All the Rotella T oils are HDEO oils, certified for use in diesel or gasoline applications. The 15w40 variant is dino oil. The 5w40 variant claims to be synthetic, but is only legally synthetic, not chemically synthetic.
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Old 03-31-2009, 12:36 AM   #14
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Quote:
Originally Posted by williaty View Post
Wrong.


All the Rotella T oils are HDEO oils, certified for use in diesel or gasoline applications. The 15w40 variant is dino oil. The 5w40 variant claims to be synthetic, but is only legally synthetic, not chemically synthetic.
uuuummm....noooooo

http://www.shellusserver.com/msds/search.php


Shell Rotella T Synthetic 5W-40

MSDS# 400792E
Version 2.0

Effective Date 07/11/2008

According to OSHA Hazard Communication Standard, 29 CFR
Material Safety Data Sheet
1910.1200



1. MATERIAL AND COMPANY IDENTIFICATION
:
Material Name Shell Rotella T Synthetic 5W-40 : Engine oil.
Uses


:
Manufacturer/Supplier SOPUS Products
PO Box 4427
Houston, TX 77210-4427
USA
: 877-276-7285
MSDS Request

Emergency Telephone Number
: 877-242-7400
Spill Information
: 877-504-9351
Health Information

2. COMPOSITION/INFORMATION ON INGREDIENTS
Chemical Identity CAS No. Concentration
Zinc alkyl dithiophosphate 68649-42-3 1.00 - 5.00 %

Blend of synthetic hydrocarbon, polyalphaolefins and additives.
The highly refined mineral oil contains <3% (w/w) DMSO-extract, according to IP346.


3. HAZARDS IDENTIFICATION
Emergency Overview
: Clear. liquid Slight hydrocarbon.
Appearance and Odour

: Not classified as dangerous for supply or conveyance.
Health Hazards
: Not classified as flammable but will burn.
Safety Hazards
: Not classified as dangerous for the environment.
Environmental Hazards


: Not expected to be a health hazard when used under normal
Health Hazards
conditions.

Health Hazards
: Under normal conditions of use, this is not expected to be a
Inhalation
primary route of exposure.
: Prolonged or repeated skin contact without proper cleaning can
Skin Contact
clog the pores of the skin resulting in disorders such as oil
acne/folliculitis.
: May cause slight irritation to eyes.
Eye Contact
: Low toxicity if swallowed.
Ingestion
: Used oil may contain harmful impurities.
Other Information
: Oil acne/folliculitis signs and symptoms may include formation
Signs and Symptoms
of black pustules and spots on the skin of exposed areas.
Ingestion may result in nausea, vomiting and/or diarrhoea.
: Pre-existing medical conditions of the following organ(s) or
Aggravated Medical
organ system(s) may be aggravated by exposure to this
Condition
material: Skin.
1/8
Print Date 07/14/2008 MSDS_US


_____________________________________

thats only page one of 8 but


dunno what all that chemikal stuff means but
Quote:
Blend of synthetic hydrocarbon, polyalphaolefins and additives.
means synthetic to me
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Old 03-31-2009, 12:39 AM   #15
williaty
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No, it means that Castroil convinced a judge that dino oil magically becomes synthetic if you refine and process it enough. Seriously, go look up the history of fake-synthetic oils and the court case between Mobil and Castroil that opened the doors for fake-synthetic oils to be legally marketed as synthetic.

Originally, and chemically, synthetic oils are lubricants that contain no dead dinosaurs. Typically, they're a synthesized ester.


If you want the full scoop on the base stocks in the Rotella T variants, go do some searching over on Bob Is The Oil Guy's forums.
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Old 03-31-2009, 12:59 AM   #16
Uncle Scotty
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Quote:
Originally Posted by williaty View Post
No, it means that Castroil convinced a judge that dino oil magically becomes synthetic if you refine and process it enough. Seriously, go look up the history of fake-synthetic oils and the court case between Mobil and Castroil that opened the doors for fake-synthetic oils to be legally marketed as synthetic.

Originally, and chemically, synthetic oils are lubricants that contain no dead dinosaurs. Typically, they're a synthesized ester.


If you want the full scoop on the base stocks in the Rotella T variants, go do some searching over on Bob Is The Oil Guy's forums.
and there are no dead dinosaurs in any motor oil in any event
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Old 03-31-2009, 04:04 AM   #17
Merp
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Quote:
Originally Posted by Uncle Scotty View Post
Blend of synthetic hydrocarbon, polyalphaolefins and additives.
The highly refined mineral oil contains <3% (w/w) DMSO-extract, according to IP346. [/b]
It's a group III and group IV mixture.

Legally 'full synthetic' , but technically a synthetic / dino blend.

Castrol can

IMO, a true synthetic is a group IV or V oil (derived from PAO or Esters, respectively)
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Old 03-31-2009, 11:57 AM   #18
flycaster
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Quote:
Originally Posted by Uncle Scotty View Post
and there are no dead dinosaurs in any motor oil in any event
While I agree that oil was certainly not "made" from dinosaurs, oil was formed from Jurassic period sea-bed algae and it most definitely contains sea-living dinosaur remnants; it also very likely contains some traditional land dinosaur remnants too. **** happens.

Microscopic quantities...but they're there.
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