![]() ![]() We are constantly testing and have yet to find an additive that enhances the performance characteristics of Royal Purple. Should I use an oil additive with Royal Purple? ![]() The film strength of the oil will help increase fuel mileage and keep the engine cleaner resulting in reduced emmisions, a big benefit to older cars. The polishing characteristics of the oil will help smooth out the cylinder walls and bearing surfaces. Royal Purple will breath new life into older engines. What will putting Royal Purple into my older car do for me? In the long run, it is better to replace a faulty gasket than to leave those deposits in the engine. In these cases or in older cars where this might be a concern, it may be best not to recommend a very lightweight oil. If an engine leaks after putting Royal Purple or any other synthetic in, the oil is probably not causing the leak, it is exposing an existing leak. Synthetic oils are designed to carry away deposits, so it is possible to expose marginal seals after those pre-existing deposits are removed. In some instances, usually in older engines that have not been properly maintained, there may be a bad seal or cracked gasket that is not leaking because it is filled with oil sludge, lacquer and varnish deposits. Will Royal Purple cause my engine to leak? This should be more than adequate as ambient temperature does not get that cold and wind chill does not effec tmotor oil. The pour point of all of our SAE grade oils is less than –30 F and varies from oil to oil. I live in cold weather, what is the pour point of Royal Purple oils? Yes, Royal Purple is "API Warranty Approved", so it meets or exceeds the requirements of manufacturer's new car warranties. In these applications we recommend switching to Royal Purple after 5000 – 10000 miles (depending upon engine loading).ĭoes Royal Purple meet the manufacturer's requirements? These use a very hard piston ring under high compression and it takes longer for the rings to seat. ![]() The exception to this is the diesel pickup (Ford, Dodge, Chevy, GMC). This allows the engine time to break-in (seat the piston ring to the cylinder wall). We recommend switching to Royal Purple after the manufacturer's first scheduled oil change. However, we recommend to continue changing the filter every 3000 - 5000 miles to minimize the accumulation of dirt, fuel and water.Ĭan I put Royal Purple into my brand new car? ![]() If your If your vehicle is not under warranty, we recommend changing Royal Purple approximately every 10,000 – 12,000 miles. If your vehicle is under manufacturer's warranty, we recommend following your manufacturers recommended oil change interval. How often should I change Royal Purple in my passenger car? If having a full synthetic is important, we have our racing line which can be considered a "Full" synthetic. We have blended our street oils to exceed the performance characteristics of any other blended or "Full" synthetic. The Synerlec technology provides the best protection and performance increases available, however, it is very expensive. If Royal Purple street products are not 100% synthetic, why are they priced similar to a full synthetic? Royal Purple lubricants are fully compatible with all currently available petroleum, petroleum/synthetic blends, or full synthetic based oils. The superior film strength, created by the Synerlec technology in our oils, means that it offers 4 to 5 times better metal to metal protection than other oils, petroleum or synthetic.Īre Royal Purple products compatible with other petroleum or synthetic based oils? Why is Royal Purple better than other oils? There are a variety of reasons to use Royal Purple, including increased horsepower, improved fuel economy, a cleaner engine with fewer emissions, reduced wear, reduced oil consumption, improved corrosion protection, and ultimately a longer lasting smoother and cooler running engine. Royal Purple Synthetic Motor Oil STREET APPLICATIONS ![]()
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