anybody running royal purple motor oil? im starting to switch my motor oil from mobile-1 super synthetic 10w40 to royal purple 10w40.. anybody feel a difference or what not?
plus im also switching my tranny gear fluids to royal purple.. just wunderin if anyone out there is running all royal purple in the h22s
plus im also switching my tranny gear fluids to royal purple.. just wunderin if anyone out there is running all royal purple in the h22s




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