Product Tested

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back label

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Pep Boys

Company and Product Information

Corporate Office:
Pep Boys 
3111 W Allegheny Ave
Philadelphia, PA 19132

Website(s): www.pepboys.com

Pep Boys operates more than 7,000 service bays in more than 800 stores (Supercenters and Service & Tire Centers) in 35 states and Puerto Rico.


The Petroleum Quality Institute of America (PQIA) is an independent resource for information and insights on the quality of lubricants in the marketplace. Our mission is to serve the consumer of lubricants by randomly sampling and independently testing lubricants taken from the field. Test results are posted along with the brand names on the PQIA website. This webpage provides an analysis on the brand detailed below.

The following are the test results for the sample examined.

ProLine HD SAE 30
Heavy Duty Motor Oil

Product: ProLine HD
Viscosity Grade: SAE 30
Labeling: API SN

Manufactured by: Warren Performance Products, Omaha, NE
Distributed by: Pep Boys, Philadelphia, PA

Purchased at: Edison, NJ

Date of purchase: 8/10/2016


Website(s): www.pepboys.com

Test Results and Assessment:

The results of the tests conducted on this sample meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product label, and are consistent with the listed API Service Categories.

bottle icon Physical Properties pass
Elemental Analysis pass
Labeling warning

Note: Although laboratory tests alone cannot be used to establish if engine oil meets an API Service Category, they can be used to determine if it doesn't.

PHYSICAL TESTS (click for test details) - a Standard ProLine
TBN, mg KOH/g (ASTM D2896) 6.67
Viscosity @ 100ºC, cSt (ASTM D445) 9.3 to <12.5 10.1
Viscosity @40ºC, cSt (ASTM D445) 74.1
Viscosity Index (ASTM D2270) 119
Viscosity @-20ºC mPa s (cP) (ASTM D5293) N/A N/A
ELEMENTAL ANALYSIS (click for test details) - a, b
Calcium 1,670
Magnesium 11
Phosphorus, ppm 600 Min 727
Zinc, ppm 817
Molybdenum,  ppm 0
Barium, ppm 0
Boron, ppm 2
Silicon, ppm 4
Potassium, ppm 2
Manganese, ppm 0
Titanium, ppm 0
Copper, ppm 0
Sodium, ppm 450
Vanadium, ppm 0
Silver, ppm 0
Aluminum, ppm 0
Chromium, ppm 0
Iron, ppm 0
Nickel, ppm 0
Lead, ppm 0
Antimony, ppm 0
Tin, ppm 0
  1. Standards, shown in yellow are established by API, SAE and others.
  2. Test Method for metal analysis is ASTM D5185.
  3. This specification is expressed to two significant figures, therefore results up to 15.5 are considered on specification.