Safe max RPM for bone stock 5.9 magnum

Martin Koiryohann said
HOW MUCH OIL PRESSURE DOU HAVE ?10 LBS OF OIL PRESSURE FOR EVERY 1000 RPM's FOLLOW THAT RULE & U WILL NEVR SPIN A BEARING ITS A OLD RAM CHARGERS RULE but its good insurances
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I was under the assumption that it would float the valves and bend pushrods before running into bearing issues shruggy.gif (hence everyone's recommendation that replacing the valve springs is priority #1)