Quote:
Originally Posted by GTX JOHN
I still run Royal Purple 5/20 Racing oil (Old 11) that I
have run literally forever. I am always pleased with
how the engine looks when rebuild time!
For Heads Up = If needed the light Dangerous Stuff
and cross our fingers.
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John is this the Royal Purple XPR? I like it but it's roughly $100 for 6 qts!