Losing power but no codes

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Originally Posted by avguy

What is the RPM when it's parked in neutral, and your foot is not on the gas? And still parked in neutral, if you rev it up to 5.5 - 6K, does it miss or drop out at all? And is there any difference (miss or drop out) if you rev it up slowly, or punch down WOT?

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Finally got around to working on this. THIS LINK has graphs of RPM and throttle position with me revving the engine in neutral and then graphs of RPM, throttle position, and speed with me starting from a stop in 1st, 2nd, and 3rd.

The data the graphs are based on is HERE.