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My RX7 was fouling plugs for a long time while we were getting the mixture settings right. Use a small bit of wire to pull any solids out of the gap, and spray the inside with carb cleaner. Wipe it down and let it dry off a bit. Then go and get a windproof lighter or a butane torch, and force the flame into the gap. There will probably be some sputtering ...


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Using carburetor cleaner should work just fine. I wouldn't use a wire brush or sand paper as these are abrasive. Depending on how much force you'd be using, you could actually damage the business end of the spark plug and limit its life expectancy. There used to be a spark plug cleaner which worked like a sand blaster, using compressed air and fine media to ...


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You need to go back and look at the firing order of the spark plug wires you installed. If you get two out of place on a four cylinder engine, you now only have two good firing cylinders, and depending on which two got switched, one of them may even be firing the cylinder at opposition to the rest, not allowing the engine to get anywhere close to operating ...


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I'm not sure if it is everything, but it looks like I had some kind of short (vs break) in one of the ignition coils. My multimeter confirmed this, as did my sense of smell.. Burning plastic is never a good sign, especially under the gas tank. When I pulled that coil the other side started getting a regular spark. Now I'm off to find a set of aftermarket ...


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Iridium will fire under more extreme conditions than other plugs, they came out of top fuel racing and onto the street for a reason.



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