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AMSOIL PERFORMANCE TESTS
  Current AMSOIL Performance Tests
Used Oil Analysis Reports
5-1-2013 A Study of SAE 5w30 Synthetic Motor Oil
4-1-2013 AMSOIL P.i: A Study In Performance
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)
9-16-2007

Chevy Trailblazer EXT Used Oil Analysis Report - AMSOIL XL 5w30
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
06-24-2005

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