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Stock Clones and Air Filter Oil

A subject I’ve covered before, but worth revisiting is the effects of over application of air filter oil. These engines create a pulse that draws the air/ fuel mixture into the engine, and with any blockage at the filter, the suction increases, and with it the fuel volume goes up, creating an overly rich condition. This will not only lead to poor on track performance, but will foul plugs like mad and often stall during caution laps. To balance protection and performance, I recommend spraying the filter lightly at arm’s length. I would also suggest keeping a spare filter or two and cycling them out during race day. Best way to check yourself is to start the engine without the filter in the pits, and make sure the engine doesn’t change tone as you install the filter onto the adapter. Jimmy

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