February 2011
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Test Results 5W-30 Motor Oils

 
PHYSICAL TESTS (click test for details)
Standards/ranges-a
Gulf Advanced
Fuel Efficient Motor Oil
Speedway
Motor Oil
BP Select
Wolf's Head Super-Duty Motor Oil
CarQuest All Season 
)
   TBN, mg KOH/g, (ASTM D2896)
7.4 to 9.0
 7.7 7.1 7.3 6.8 7.3  

   Viscosity @ 100șC, cSt, (ASTM D445)
9.3 to 12.5
 10.56 11.66 10.58 10.49 10.63  
   Viscosity @ 40șC, cSt, (ASTM D445)
55.0 to 82.0
 62.22 69.9 62.16 62.18 62.2  
   Viscosity Index (ASTM D2270)

156 to 167

 146 162 161 159 162  
  Viscosity @ -30șC mPa s (cP) (ASTM D5293)
6,600 Max
 5720 5,540 5,290 5,770 5,050  
   NOACK volatility, mass % loss, 1 hr, @ 250șC (ASTM D5800)
15 Max
 15.1
See footnote "e"		 14.8 13.9 15.4
See footnote "e"		 15.2
See footnote "e"		  
ELEMENTAL ANALYSIS-b,c
Additives Gulf Advanced
Fuel Efficient Motor Oil 		Speedway
Motor Oil 		BP Select Wolf's Head Super-Duty Motor Oil CarQuest All Season   
    Nitrogen μg/g (ASTM D-5762)

720 to 1000

 840 720 710 920 790  
    Calcium, ppm
 1648 to 2301
 1,699 1,955 1,642 1,852 1,591  
    Magnesium, ppm
 6 to 43
 11 8 8 7 13  
    Phosphorus ,ppm
600 to 800
 800 788 768 697 694  
    Zinc, ppm

 789 to 887

 880 867 845 766 759  
    Molybdenum,  ppm

 <1 to 226

 0 10 0 44 0  
    Barium, ppm

 <1

 0 0 0 0 1  
Additive and/or other Gulf Advanced
Fuel Efficient Motor Oil 		Speedway
Motor Oil 		BP Select Wolf's Head Super-Duty Motor Oil CarQuest All Season   
    Boron,  ppm
 <1 to 246
 0 0 0 229 0  
    Silicon,  ppm
 4 to 8
 0 0 0 0 3  
    Potassium, ppm
 <1
1 0 1 0 0  
    Manganese, ppm
 <1 to 8
 0 0 0 0 0  
    Titanium, ppm
 <1
 0 0 0 0 0  
    Sulfur, ppm

5,000 max

 2,366 3,302 2,269 3,763 2,251  
    Copper, ppm
 <1
0 0 0 0 0  
    Sodium, ppm
 <1 to 467
 468 0 452 0 200  
    Vanadium, ppm
 <1
 0 0 0 0 0  
Contaminants Gulf Advanced
Fuel Efficient Motor Oil 		Speedway
Motor Oil 		BP Select Wolf's Head Super-Duty Motor Oil CarQuest All Season   
    Silver, ppm
 <1
 0 0 0 0 0  
    Aluminum, ppm
 <1 to 2
 0 0 1 1 0  
    Chromium, ppm
 <1
 0 0 0 0 0  
    Iron, ppm
 <1 to 1
 1 0 0 0 1  
    Nickel, ppm
 <1
 0 0 0 0 0  
    Lead, ppm
 <1 to 1
 0 0 0 0 0  
    Antimony, ppm
 <1
 0 0 0 0 7  
    Tin, ppm
 4 to 5
 2 2 2 2 0  

  a- Standards, shown in black, are established by API, SAE and others. Ranges, shown in teal, represent the high and low data ranges for the majors.1

  b-Test Method used for metal analysis is ASTM ASTM D5185.

  c- ASTM D5185-09 Reproducibility by Element.

  d- The sample tested shows an oil that should not be used in an automobile engine as it could cause engine damage.

  e- The specification of 15 max is expressed in two significant figures and therefore this result meets specification.

  Note: Should a lubricant manufacturer have independent test data (bench or engine) that shows its lubricant offers higher quality and/or performance than others, we welcome this information and remain prepared to publish it on this website if and when provided.

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