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.






ProForce All Season SAE 5W-30 Motor Oil, API SF/CC

Manufactured by J.D. Street & Co. Maryland Height, MO

Purchased in: Rush Hour Foods, Laporte, IN

Date of purchase: July 14, 2011






All tests conducted on this sample meet the specifications for SAE 5W-30 and are consistent with API SF/CC engine oil.


Advisory: This product is labeled as meeting API SF which is an obsolete specification and is not recommended for passenger cars built after 1988. In addition, this product is labeled as meeting API CC which is an obsolete specification and is not recommended for diesel engines built after 1990. The product label does not adequately warn consumers of this limited use. Click here for API Service Categories.






PHYSICAL TESTS Standard-b Average-e


 TBN, mg KOH/g, (ASTM D2896)     4.6
 Viscosity @ 100ºC, cSt, (ASTM D445) 9.3 to 12.5 10.39 10.52
 Viscosity @ 40ºC, cSt, ASTM D445     59.85
 Viscosity Index (ASTM D2270)     167
 Viscosity @ -30ºC mPa s (cP) (ASTM D5293) 6,600 Max 5,793 4,040
 Volatility, mass % loss, 1 hr, @ 250ºC (ASTM D5800)     N/A
    Nitrogen μg/g (ASTM D-5762)     160
    Calcium     1,576
    Magnesium, ppm     4
    Phosphorus,  ppm     514
    Zinc, ppm     577
    Molybdenum,  ppm     43
    Barium, ppm     0
  Additives and/or other
    Boron,  ppm     5
    Silicon,  ppm-d     3
    Potassium, ppm     0
    Manganese, ppm     0
    Titanium, ppm     0
    Sulfur, ppm     1,646
    Copper, ppm     0
    Sodium, ppm     13
    Vanadium, ppm     0
    Silver, ppm     0
    Aluminum, ppm     3
    Chromium, ppm     0
    Iron, ppm     0
    Nickel, ppm     0
    Lead, ppm     0
    Antimony, ppm     0
    Tin, ppm     0

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 API SM 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.

e- Average of the 10 major brands tested. Click here for brands tested.




ProForce All Season 5W-30 API SF/CC

The viscometrics of ProForce All Season 5W-30 API SF/CC meet the the required targets for a 5W-30 API SM(SAE J300 specification).