Does Royal purple have oils for use in diesel applications?
Most manufacturers recommend using 15W40 oil in their diesel engines. Royal Purple’s 15W40 has additives specifically designed for use in diesel applications and exceeds API certification requirements for diesel engines. I live in cold weather what is the pour point of your oils? The pour point of all of our SAE grade oils is less than –30 F and varies from oil to oil. This should be more than adequate as ambient temperature typically does not get that cold. What type of oil should I use for my turbo-charged engine? For street driven vehicles, it is best to run the manufacturers recommended viscosity. For competition use we recommend our Racing 41 or Racing 51. Is Royal Purple OK for use on a motorcycle with a wet clutch? Yes, Royal Purple has been found to work very well in these applications. Can I use Royal Purple in my Harley? Yes. Royal Purple has had great success in the Harley market. For pre-Evolution motors, our SAE 50 is recommended. For Evolution motors, we recommend Royal P
