FAQs

Can I run your oils with exotic fuels (alcohol, methanol, etc.)?

Yes. Royal Purple’s lubricants can be used with exotic fuels. For the best protection, Royal Purple® has formulated its XPR®specifically with this in mind. The XPR oils are formulated to combat fuel emulsification to hold up even better than Royal Purple’s other engine oils in alcohol and methanol applications. Royal Purple Nitro Plus™ oils are …

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Can I use racing oils in my street car?

Yes. Royal Purple XPR® racing oils are fully formulated engine oils with complete additive packages needed for long-term use. The XPR ultra-light viscosity 0W-8 is considered suitable only for dedicated competition engines that are built specifically to use very low viscosity engine oils. Non-ultra light viscosities, XPR 0W-20, 0W-30, 5W-20, 5W-30, 10W-40 and 20W-50 may …

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