5252/5250 you are splitting hairs three significant digits 5252 rounded off is 5250
TORQUE times RPM which mean revolution per minute which is TIME
Your head bolt comparison does not hold because it is static NOT applying a constant torque over time...if you appliied 500 ft lb of torque to the bolt and continued to stretch the bolt over a period of time.
That is not a real dyno sheet, it is a simulation. A real dyno does not need head flow or cam spec input just an engine fuel and operator.
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1989 Automotive Hall of Fame Inductee
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