AMSOIL Beats Mobil1® and Royal Purple® In Industry-Standard Testing

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AMSOIL Beats Mobil1® and Royal Purple® In Industry-Standard Testing

AMSOIL Signature Series 5W-30 Synthetic Motor Oil protects against harmful deposits on turbochargers 4X better than Mobil1® Extended Performance and 3.6X better than Royal Purple® in industry-standard testing*

AMSOIL Signature Series Beat Mobil1 and Royal Purple in Independent Lab Testing

AMSOIL Signature Series Synthetic SAE 5W-30 Motor Oil

AMSOIL Signature Series 5W-30 Synthetic Motor Oil was tested against two competing brands to determine its level of protection against deposit formation in high-heat turbocharger applications.

Turbochargers run HOT

Severe Turbocharger Operating Conditions. For Illustrative Purposes Only.

THE TEST

The TEOST 33C test (ASTM D6335) is an industry standard bench test that simulates turbocharger operating conditions. According to the American Society for Testing and Materials (ASTM), it is “designed to predict the high temperature deposit forming tendencies of an engine oil.” To meet the API SN Resource Conserving and ILSAC GF-5 motor oil specifications that are often recommended by vehicle manufacturers, a 5W- 30 motor oil must limit total deposit formation to 30 mg or less.

 

THE RESULTS

AMSOIL Outperformed Mobil1 and Royal Purple in independent lab testing

The independent, third-party lab results show AMSOIL Signature Series 5W-30 held deposits to well under the 30 mg limit recommended by vehicle manufacturers

AMSOIL Signature Series 5W-30 Synthetic Motor Oil held the total weight of deposits to 7 mg, well under the 30 mg limit required by the API and ILSAC, while Royal Purple® API 5W-30 and Mobil 1 Extended Performance 5W-30 came in just under the limit at 25.4 mg and 28.2 mg respectively. Signature Series 5W-30 Synthetic Motor Oil protects against harmful deposits on turbochargers 4X better than Mobil 1 Extended Performance and 3.6X better than Royal Purple® in industry-standard testing.*

*Based on independent, third-party testing of AMSOIL® Signature Series 5W-30, Mobil1® Extended Performance 5W-30 and Royal Purple® API 5W-30 in the ASTM D6335 bench test required by the API SN Resource Conserving specification.

Test results represent the formulations available as of April 2016. Formulations were coded to eliminate bias during testing and samples were tested in random order. An appropriate number of trials of each oil were run to produce results at or above the 95 percent confidence level when compared to AMSOIL Signature Series 5W-30 Synthetic Motor Oil.

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