Just like an exhaust doesn't *give* you horsepower. It lets the engine breath and be more efficient. I agree you can't have too many grounds except cluttering stuff up if the installer is too obnoxious! Good grounds let the battery's voltage make it to the components. Ignitions seem power hungry so I would agree that if the ignition has no obstacles or weak or insufficient voltage, it can do it's job properly and you get the full potential.
On another note, my dad owns and runs a dyno. You should do more than one baseline pull. The first one kinda clears things out and the second one is closer to accurate. Generally within a couple of hp more, but not much. This is more so on carb engines. I just don't want that "phenomenon" to cause confusion.
Also, that tornado gimmick for intake tubes, it says in conjunction with a K&N filter, it has gains. Why does it need a K&N to do it's job? Why stop there? Why not continue with custom fabbed headers and state of the art exhaust system and then claim even more hp?
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