Two different power sources are required for a nitro RC car, starting with battery packs for the transmitter and receiver.  The car itself, as the name suggests, really does use gasoline as its fuel: an oil and gasoline mixture, much like a real car.  There are two kinds of nitro motors: the 2-stroke and the 4 stroke engine. 

The more 2-stroke engine is similar to the kind of engine found inside motocross motorcycles, chain saws and weed whackers.  This type of engine has no separate oil reservoirs, so the oil that lubricates it is included in the fuel mixture.  Conversely, the less popular 4-stroke engine does have an oil reservoir and therefore depends less on a gasoline/oil fuel mixture for lubrication. When running or racing, the car’s fuel tank will need refilling every 5 to 10 minutes.

The engine seen most frequently in nitro RC cars today is a 23cc (cubic centimeter) displacement, 2-stroke engine.  Its popularity stems from the fact that it’s among the most powerful engines available for nitro RC cars, putting out approximately 2.5 HP from its 23cc displacement (23cc means that the engine has about 1.4 cubic inches of engine displacement).  This engine would be certainly powerful enough to impress you with its speed.

You’ll also need a starter for the engine, of which there are two types:

·        a pull-start nitro engine (these use a process like your lawnmower to start)

·        Or a non-pull nitro engine (these fire up with a starter box).

The pull start nitro engines cost a little more, but you don't have to buy a starter box and it's less you have to carry around to run your vehicle. Just take it out, pull on the starter, and you're ready to go! Be sure to check your instructions to choose a starter that’s right for your car.

To keep your nitro RC running at its best, constant maintenance is necessary.  This includes keeping the engine clean and well-tuned, setting it up correctly and using good clean fuel.  As well, if you’re running your RC off-road, you’ll need to make certain it is properly cleaned after you run it, otherwise dirt and grit can slow down or even ruin your engine. Any special procedures particular to your car will be outlined in your owner’s manual.  Remember that your engine will only run as well as you treat it—so take great care of it, and you’ll never have trouble on race day.