Not brand new, it was used on my last motor for a month or 2. Theres not a cat, nor any emmissions equipment on the car. Ill check the gas tank in a sec, but I didnt have any problems with the filters getting clogged with the last motor. The FSM said .039-.043in (1.0-1.1mm) for the spark plug gap. Ill close the gap, a bit and see what happens.
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