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Automotive breath, your hypothesis could explain this but I really doubt that david didn't think to try more fuel octane or cooling remedies to cure detonation. some of this is simular to when I suggested to morgan that the evaporization may have a cooling effect within the cylinder but in this example I thought it was because of a volumetric efficiency improovement.
Im still stuck on things relating to centrifugal force on the fuel molecules that causes wetting of the plugs. This because the reported power change is so great and the volumetric efficiency change would I think be much smaller. your thoughts?
Also, I wonder if the power gains were because the larger droplets made the engine tolerate more ignition advance. If this were true then the power change would be greater and it would help support yours and my original theory. Still, I would think that david adjusted the fuel and spark and so would have discovered this correlation and thus the reason for this horsepower gain if this were the case.
More hypothesis anybody?
Last edited by big block fiero; 10-05-2007 at 11:19 AM.
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