Wow... No reply to a basic question? Royal Purple 5w20 will be fine, especially if it's the XPR extreme performance motor oil with the zinc and phosphorus additives. NR Racing actually recommends it as a premium oil for GX200 /clone racing engines including methanol burners.Oil, Engine
Thanks I run royal purple in my trucks and moble 1 in my predators and I have like 9 quarts of royal purple sitting in my shed so I figured I would try to save some money on this build lol
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