Believe what you like but I don't see how either of those toys will do any good. As mentioned below already, if you saw an increase from using a K&N filter, then the old filter was already plugged... but I don't see how you would even see an increase because of a plugged filter on a modern engine. Most all gasoline engines today use a MAF sensor or Mass AirFlow, so it measures the total volume of air going into the engine and then computes the injector firing time based on that data. If you have a plugged filter or some other gadget stuck into the intake system, the MAF or MAP sensor will account for it... and then fire the appropriate amount of fuel. From what I saw on the cyclone website regarding mileage claims.... they basically only tested an old carburated engine or at best a throttle body injected engine with a more primitive control system, so mabey there was some gain there... but I doubt you would see any gain on a tune port/multi port injected engine.
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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