January 26, 2012

Handy Test – API-Licensed Motor Oil

Because Royal Purple adheres to engine surfaces after shutdown, it provides protection during startup.
January 26, 2012

Handy Test – HP 2-C

HP 2-C Engine Oil a high performance engine oil recommended for use in
January 26, 2012

Handy Test – Maxfilm

Maxfilm is a high-strength synthetic lubricant that loosens rusted parts
September 4, 2012

Hot Rod Quick Test: Purple Ice

With Purple Ice, the temperature reached 210 degrees...but even after 56 minutes of running and then under a strong load, it did not exceed 210 degrees.