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AMSOIL PERFORMANCE TESTS
10-18-2009 Cadillac CTS-V Used Oil Analysis Report - AMSOIL Signature Series 0w30 (Compared to previous AMSOIL 0w30 and Mobil 1 5w30 samples)
1-11-2009 Cadillac CTS-V Used Oil Analysis Report - AMSOIL Series 2000 0w30(Compared to previous Mobil 1 5w30 sample)
1-11-2009

Cadillac CTS-V Used Oil Analysis Report - AMSOIL Automatic Transmission Fluid (ATF)

(Compared to previous Dexron III sample)

11-01-2008 Comparative Motor Oil Testing
11-02-2007

White Paper: "A Study of Gear Lubes" - 2MB PDF

9-16-2007

Chevy Trailblazer EXT Used Oil Analysis Report - AMSOIL XL 5w30

9-10-2007

AMSOIL Synthetic ATF Excels in MERCONŽ V Aluminum Beaker Oxidation Test

6-10-2007

Cadillac CTS-V Used Oil Analysis Report - Mobil 1 5w30

6-10-2007

Cadillac CTS-V Used Oil Analysis Report - Dexron III Transmission Fluid

6-10-2007

Cadillac CTS-V Used Oil Analysis Report - Factory Fill Differential Fluid

11-24-2006

Corvette C5 Used Oil Analysis Report - AMSOIL SAE Synthetic 10w30

11-15-2005

Comparative Motor Oil Testing

11-08-2005

White Paper: "A Study of Motorcycle Oils" - 1MB PDF

06-24-2005

Corvette C5 Used Oil Analysis Comparison - AMSOIL Series 2000 0w30 vs. German Castrol 0w30

04-18-2005

New Motorcycle Oil Reformulated for Even Better Performance & Protection

12-17-2003
07-12-2003
06-09-2003
11-11-2002
09-25-2002

AMSOIL 10W-30 Excels in API Sequence IIIF Test

02-08-2002

AMSOIL Series 3000 Synthetic 5W-30 Heavy Duty Diesel Oil Is Correct Choice For Jeff Foster Trucking

01-05-2002

AMSOIL Products Improve Efficiency and Reduce Operating Costs for Gerlach Trucking

12-11-2001

AMSOIL Proves Superior in Clark County Field Test

  8.2% More MPG with AMSOIL Synthetic Lubricants
  409,000-Mile Oil Drain Interval Mack Engine Teardown
  11 HP Gain for Vinci Hi-Performance Corvette ZR-1 with AMSOIL