Originally Posted by
pizzaguy
Walter Lewin, professor emeritus of Physics, MIT: "Any measurement, without knowledge of the uncertanty, is MEANINGLESS."
Emphasis mine - Josh is right, those numbers are MEANINGLESS.
That is why you must set a base line and then use the same dyno and tuner to have an accurate picture of the change made to the engine. Even if the baseline is incorrect, the change is correctly measurable. So a 25% WHP improvement off the same dyno can be applied to what ever Engine spec the manufacturer published. Assuming, of course, IT is accurate you can reasonbly predict your new Crank HP...