Petroleum Quality Institute of America

The Petroleum Quality Institute of America (PQIA) is an independent resource for information and insights on the quality and performance of lubricants in the marketplace.  Our mission is to serve the consumer of lubricants by reporting on the quality and integrity of lubricants in themarketplace.






Bullseye Automotive Products High Mileage Motor Oil 10W-30

Bullseye Automotive Products Inc, Dalton, IL


Test Results on this sample indicate the product can cause damage to a passenger car engine.



Purchased in: Sturgis Petroleum, Sturgis, MI

Date of purchase: January 4, 2011 



CONSUMER ALERT:  The label on this product states it is an SAE 10W-30 "high mileage" motor that "helps keep engine clean, provides wear protection, helps prevent engine leaks, and fights rust and corrosion"  

In fact, PQIA's test results show this product clearly is not a SAE 10W-30, and does not meet any recognized specifications for a motor oil.   The viscosity for this oil is 75% below where it should be for a 10W-30,  and lacks critical additives required by  original equipment manufacturers (OEMs) to protect automobiles currently on the road.  In addition, the volatility of this product is five times the maximum allowed by current industry specifications. 


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





PHYSICAL TESTS Standard/ranges-b Average



 TBN, mg KOH/g, (ASTM D2896)   8.0 0
 Viscosity @ 100ºC, cSt, (ASTM D445) 9.3 to 12.5 10.39 2.3
 Viscosity @ 40ºC, cSt, ASTM D445   60.48 8.97
 Viscosity Index (ASTM D2270)   163 50
 Viscosity @ -25ºC mPa s (cP) (ASTM D5293) 7,000 Max 5,793 170
 Volatility, mass % loss, 1 hr, @ 250ºC (ASTM D5800)   13.5 79.7
    Nitrogen μg/g (ASTM D-5762) 720 to 1,000 860 <5
    Calcium  1,648 to 2,301 2,043 0
    Magnesium, ppm  6 to 43 11 0
    Phosphorus,  ppm 600 to 800 772 1
    Zinc, ppm  789 to 887 851 0
    Molybdenum,  ppm  <1 to 226 93 0
    Barium, ppm  <1 <1 0
    Boron,  ppm  <1 to 246 84 3
    Silicon,  ppm-d  4 to 8 5 2
    Potassium, ppm  <1  <1 0
    Manganese, ppm  <1 to 8 1 0
    Titanium, ppm  <1 <1 0
    Sulfur, ppm  5,000 max 3,021 624
    Copper, ppm  <1  <1 0
    Sodium, ppm  <1 to 467 82 1
    Vanadium, ppm  <1 <1 0
    Silver, ppm  <1 <1 0
    Aluminum, ppm  <1 to 2 <1 0
    Chromium, ppm  <1 <1 0
    Iron, ppm  <1 to 1 1 1
    Nickel, ppm  <1 <1 0
    Lead, ppm  <1 to 1 <1 0
    Antimony, ppm  <1 <1 0
    Tin, ppm  4 to 5 5 2

a- Click here for product label.

b- Standards, shown in orange, are established by API, SAE and others. Ranges, shown in teal, represent the high and low data for the majors shown.

c-Test Method for metal analysis is ASTM ASTM D5185.

d- Although silicon is used as an antifoam additive in lubricants, concentrations above 7ppm have been linked to contamination from abrasive material,




Bullseye 10W-30 Motor Oil
The American Petroleum Institute sets forth a number of laboratory and engine tests required to meet an API SM performance specification. Although laboratory tests alone cannot be used to establish if an engine oil meets API SM, they can be used to determine if it doesn't.

What follows is a comparison of the test results for Bullseye 10W-30 Motor Oil as compared to the API SM ILSAC GF-4 requirements.

The API limits for each test are shown by the yellow bars. The test result for Bullseye 10W-30 Motor Oil are illustrated by the horizontal line.


The viscometrics of Bullseye 10W-30 Motor Oil does not meet the required targets for a 10W-30 API SM (SAE J300 specification).


Volatility Phosphorus
The volatility of Bullseye 10W-30 Motor Oil does not meet the parameters required for an API SM ILSAC GF-4 designation.

Click here for more on Volatility.

The phosphorus content in Bullseye 10W-30 Motor Oil does not meet the requirements for an API SM ILSAC GF-4 designation.