Nitro RC Cars And Trucks...

Choosing, Buying, Tuning, and Racing
Nitro Gas Powered RC Cars and Trucks

Here's a few tips and recommendations on nitro gas powered remote control cars and trucks to help you choose the right vehicle, get the car and nitro engine started, and tune it for more speed and power...

 

Choosing A Nitro RC Car or Truck

So you want to purchase a nitro rc car or truck for yourself or as a gift for someone else and you're not sure what kit you should buy?

Well choosing your nitro vehicle is the fun part! 

Offroad Nitro RC Trucks - Can take on huge jumps and be driven almost anywhere no matter how rough the terrain.  Combination of speed, power, and durability make them perfect for beginners to the hobby.

Onroad Nitro Gas Powered RC Cars - Designed to be raced on the street, at the track, or any prepared surfaces.  Fastest top speeds but easier to damage if crashed.  Smaller size makes it lowest priced of the nitro kits and an excellent value.

Awesome Nitro Buggies - When you want the ultimate in speed, acceleration, handling, durability, and absolute fun!

Next you'll have to decide on either a ready to run kit that comes prebuilt and includes a pull start nitro engine, the radio control, and all the radio equipment already installed or an unassembled kit that you put together yourself and may require purchasing the nitro engine, the radio, and additional equipment separately. 

I highly suggest beginners start with a ready to run vehicle like from Traxxas, Team Associated, Sportwerks, and HPI Racing.


 

Buying - What You'll Need to Get Started...

While most ready to run kits include everything you need to get started already in the box, if you instead choose to buy an unassembled or an incomplete ready to run kit you'll likely need a few additional accessories to get your vehicle started.

To run your nitro car or truck you'll need a radio control with receiver and two servos, the nitro engine, and a way to start the engine.

Of course you'll also need nitro fuel made specifically for nitro rc cars and trucks to get your vehicle and the engine up and running.  These nitro gas powered cars don't run on regular gas fuel from the pump, so make sure you get the right kind of fuel.

But don't worry. :)

Luckily, there are nitro starter kits made specifically for nitro vehicles which include absolutely everything you will need to complete your kit.  Many good rc hobby shops will have a complete nitro starter kit with all the accessories you'll need to get your nitro gas powered rc car or truck started plus offer additional parts and accessories to replace any worn or broken part or to upgrade your kit when you are ready for more performance!
 

Tuning Nitro RC Cars And Trucks

The nitro engine is the heart and soul of any nitro rc car or truck so if you get the engine tuned and set up right while keeping it well maintained, it makes everything else a lot easier.

I suggest beginners tune and set up their engines according to the instructions included in the box which usually call for a slow break in period with the carburetor needles set to allow more fuel to keep the engine running cooler than normal race conditions. If the kit you buy is ready to run, the default engine tuning settings should be sufficiently rich.

There are several different break-in methods you can use but the most commonly used one is to run the engine while the car is sitting off the ground at that rich setting for a tank or two and then for the next 3 or 4 tanks to run it on the ground at a low speed and gradually speed it up while you progress through each tank and leaning the high speed needle 1/8th of a turn at a time until it runs close to peak performance.  Make sure the engine stays within a reasonable temperature range and make sure you see a good amount of blue smoke coming out of the exhaust throughout the throttle range to insure you are not running the engine overly lean.

Check back next week for tips on tuning suspension settings like camber, caster, toe-in, ackerman, anti-squat, ride height, and etc for nitro rc cars and trucks.
 

Racing Radio Controlled Cars And Trucks

In my opinion, racing nitro rc trucks and cars is the most fun part of the rc car hobby.  Whether it's on the track in an organized race, in the street, in a field, or your own backyard against your friends, nothing beats the speed, power, sound, smell,  and adrenaline rush of competitive racing with these fast and powerful racing machines.

One mistake most beginners (and even many experienced racers) make is driving too out of control.  The steering and throttle inputs on the radio are not an on and off switch!  Rolling onto the throttle smoothly is often a much faster way around the track.  Likewise, the car acts and turns more predictably when you are smooth with the steering wheel.

Before wrenching on your car and making tuning adjustments trying to find the perfect setup, you need to be able to get around the track without crashing.  If you can't make a few laps without crashing, setup changes aren't going to help much unless your vehicle is just totally off for the conditions of the track and undriveable.

Maintaining Your Nitro Vehicle

It's a good idea to do regular maintenance on your nitro rc car to ensure it will perform it's best and improve its longevity.  After every run, shake out and remove the loose dirt and dust with a brush or towel.  If you have access to an air compressor, it works very well for this job. It's also good to inspect and clean your outer air filter foam if necessary every run... especially in dusty race conditions.

After every race day, I like to remove my engine and radio equipment and clean parts individually and inspect them for wear making sure to check moving parts like hinge pins, drive shafts, suspension components, and ball bearings.  In nitro rc cars and trucks, you should pay special attention to the clutch bell bearings because clutch bearings take a lot of abuse through heat, high loads, dirt, and grime.

You should also regularly clean and replace air filters and lube the inner filter with a good air filter oil. After running, some people also lube up their engines with after run oil, but it is not really necessary as long as you use a good quality nitro fuel.

Every gallon of fuel, I replace the clutch shoes, clutch springs, and clutch bearings, inner and outer air filter foams, and glow plug.  This may sound excessive but I'd rather do some preventive maintenance and replace these items early than end up losing a big race because one of these cheap parts failed on me in a qualifier or main!

You can share helpful tips and tricks on choosing, building, tuning, and racing nitro gas powered rc cars and trucks here and it's easy to do!

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When almost at the jump, accelerate ...

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