PCMO3 Fuel Economy & Engine Durability Predictor Test Alternatives to ASTM D7589 & ILSAC SEQ 6E DRAFT to be Presented to ASTM Committee D02.B0.1.1 Passenger Car Engine Oil Classification Panel January 15, 2015 by Mark Alan Adams Tribology Testing Labs Saginaw, MI USA mark@tribologytesting.com +1 989-777-0839
ISO 17025 Accredited Laboratory Chemical & Mechanical Testing of Lubricants and Materials
PCMO3 Fuel Efficiency & Engine Durability Predictor Test PRECISION For determining friction and wear characteristics: Gasoline & Diesel Motor Oils Relevant to All Engine Manufacturers and Models New Additives, Engine Materials, Coatings & Surface Finishes Idling, City & Highway Driving Sequences From Idling to 3000 RPM s Sorts by Viscosity Grade & Friction Modifier % Best Precision, Repeatability & Reliability in the Business
ASTM / TMC Standard Reference Oils PCMO3 Test Ratings BL3 20W-30 541 10W-30 542 0W-20 ASTM TMC Oil Sample # COF Ave FEI Wear Index & Viscosity Grade #VIDBL3 20W-30 0.183 3309 7.6 #541 10W-30 0.172 3110 7.7 #542 0W-20 0.120 2169 6.3 2
REPEATABILITY
SAE 30 SN Motor Oil Test #1 Test #2 Test #3 4
Oil Sample # COF Ave FEI# Wear Index SAE 30 SN 0.195 3535 7.0 SAE 30 SN #2 0.195 3542 7.7 SAE 30 SN #3 0.198 3593 7.1 Grouping Coefficient Of Friction (Average) Fuel Economy Index Wear Index STATISTICAL DATA Statistical Data Test #1 0.195 Test #2 0.195 Test #3 0.198 Test #1 3535 Test #2 3542 Test #3 3593 Test #1 7.0 Test #2 7.7 Test #3 7.1 Data Points Mean (μ) Standard Deviation (σ) 0.196 ±0.002 3557 7.3 ±32 ±0.4
ASTM TMC Oil #541 10W-30 Test #1 Test #2 Test #3
STATISTICAL DATA Oil Sample # COF ave FEI Wear Index ASTM TMC 541 #1 0.204 3691 7.4 ASTM TMC 541 #2 0.207 3753 7.4 ASTM TMC 541 #3 0.203 3672 7.2 Grouping Statistical Data Data Points Mean (μ) Standard Deviation (σ) Coefficient Of Friction (Average) Fuel Economy Index Wear Index Test #1 0.204 Test #2 0.207 Test #3 0.203 Test #1 3691 Test #2 3753 Test #3 3672 Test #1 7.4 Test #2 7.4 Test #3 7.2 0.205 ±0.002 3705 ±42 7.3 ±0.12
SORTING BY FRICTION MODIFIER %
Mobil 1 5W-30 SN Oil with % s of Friction Modifiers Mobil 1 5W-30 SN 2015 +0.25% FM +0.5% FM +0.75% FM +1.5% FM
FEI # Fuel Economy Index vs % Friction Modifiers 3000 2500 2000 1500 1000 500 0 Baseline FM 0.25% FM 0.5% FM 0.75% FM 1.5% Friction Modifier Percentages Oil Sample # COF Ave Fuel Economy Index Wear Index Baseline 0.150 2723 8.3 FM % 0.25 0.137 2478 8.1 FM % 0.50 0.125 2274 7.6 FM % 0.75 0.108 1943 7.2 FM % 1.5 0.101 1834 6.5
SORTING BY VISCOSITY
PCMO3-Sorting ASTM TMC Oils by Viscosity 10W-30 5W-20 0W-20
RATING OILS BY API CATEGORY
Backward Compatibility Validating Over 27 Years of Energy Conserving Motor Oil Labels & API Licensing Claims Based on ILSAC Seq 6_ and ASTM D7589 Tests API SF (1988 and older) vs API SN (current 2015)
Valvoline SAE 10W-30 API Service Classification SF vs. SN COF Ave 0.228 API SF 1988 & Prior COF Ave 0.204 API SN 2015
Valvoline 10W-30 API SF (1988) vs. API SN (2015) Oil Sample # COF ave FEI Wear Index Valvoline SF 10W-30 0.228 4124 7.6 Valvoline SN 10W-30 0.204 3693 7.0
General Motors Corp Aftermarket Oils SAE 5W-30 Motor Oils API Service Categories SJ, SL, SN, & SN Dexos
Friction Comparisons of GM Aftermarket SAE 5W-30 Motor Oils SJ (1996), SL (2001), SN and Dexos (2015) SJ 1996-2001 SL 2001-2004 SN Current SN Dexos Current
GM Motor Oils, SAE 5W-30, API SJ, SL, SN, vs. Dexos Grouping API Service Category PCMO3 Values Coefficient Of Friction (Average). Fuel Economy Index Wear Index SJ (1996) 0.189 SL (2001) 0.178 SN (2015) 0.168 SN Dexos 0.187 SJ 3434 SL 3989 SN 3047 SN Dexos 3393 SJ 8.8 SL 7.9 SN 7.0 SN Dexos 8.9
FEI # General Motors Fuel Economy Index (FEI) Distribution by API Service Category 4500 4000 3500 3000 2500 2000 1500 1000 500 0 SJ SL SN SN D GM Oil Samples from Categories Oil Sample # Year COF Ave. FEI Wear Index GM 5W-30 SJ 2001+Older 0.189 3434 8.8 GM 5W-30 SL 2001-2003 0.176 3989 7.9 GM 5W-30 SN 2010-Current 0.168 3048 7.0 GM 5W-30 SN D 2010-Current 0.187 3394 8.9
Quaker State SAE 10W-30 Motor Oils API SJ (1996) vs. API SN (2015)
Quaker State SAE 10W-30 Motor Oils API SJ (1996) vs. API SN (2015) COF Ave 0.219 SJ Oil 1996 COF Ave 0.218 SN Oil 2015
Quaker State SAE 10W-30 Motor Oils API SJ (1996) vs. API SN (2015) PCMO3 Values API Service PCMO3 Results Coefficient Of Friction (Average) Fuel Economy Index Wear Index SJ 0.219 SN 0.218 SJ 3973 SN 3939 SJ 8.8 SN 7.2
Mobil SAE 5W-30 Motor Oils API SL (2004) vs SM (2010) vs SN (2015)
Mobil SAE 5W-30 Mineral Oil PCMO API SL (2004), SM (2010), & SN (2015) COF Ave 0.171 SL Oil 2001 COF Ave 0.176 SM Oil 2004 COF Ave 0.210 SN Oil 2015
Mobil SAE 5W-30 Mineral Oils API SL (2004), SM (2010), and SN (2015) PCMO3 Values Coefficient Of Friction (Average) Fuel Economy Index Wear Index API Service Category SL 0.171 SM 0.176 SN 0.210 SL 3092 SM 3185 SN 3805 SL 7.4 SM 7.5 SN 7.1 PCMO3 Results
AGED ENGINE OILS
5W-30 SN Dexos Motor Oil Aged 7500 mi Chevrolet Avalanche New 5W- 30 SN Motor Oil Aged 5W- 30 SN Motor Oil
5W-30 SN Dexos Motor Oil Aged 7500 mi Chevrolet Avalanche Oil Sample COF ave Fuel Economy Index Wear Index New Oil 0.150 2723 8.3 Aged 7500 mi 0.171 3102 6.9
5W-20 SN Motor Oil at 9539 miles Ford Fiesta New 5W- 20 SN Aged 5W- 20 SN 9539 miles
SAE 5W-20 SN Motor Oil at 9539 miles Ford Fiesta Oil Sample COF ave Fuel Economy Index Wear Index New Oil 0.196 3540 7.0 Oil Aged 9539 mi 0.218 3952 6.1
WHERE COULD WE BE WITH FUEL ECONOMY?
Where COULD motor oil fuel economy be in 2015 IF our ASTM Fuel Economy Test Standards hadn t been hijacked 27 years by ILSAC, ASTM API, & Automakers? Valvoline 10W30 SF 1988 Valvoline 10W30 SN 2015 TODAYS Next Gen Low Friction Oils 2015
Thanks! Mary Walker Andy Schomaker Justin Thompson mark@tribologytesting.com lab: 989-777-0839 mobile: 989-980-4418 7030 East Rd. Saginaw, MI 48601 USA