How Do You Tune A Nitro RC Car?
Today’s RC car nitro engines are more reliable and easier to tune, but many newcomers still struggle when it comes to tuning a carburetor properly. Tuning RC car engines is actually easy once you grasp the concept that nitro engines require a balance of air and fuel to run properly, and that temperature and humidity effect how the engine performs. Your engine must be properly broken-in before you attempt to follow these steps. Most nitro engines have three tuning adjustments located around the carburetor: the high-speed needle-valve, low-speed needle-valve and the idle-speed screw. The high-speed needle-valve adjusts the air/fuel mixture when the engine reaches maximum RPM. The low-speed-needle-valve adjusts the air/fuel mixture when the engine is idling and during acceleration. The idle-speed screw adjusts the idle speed. The high-and-low needle-valves and the idle-speed screw must all be adjusted properly for the engine to run reliably and reach maximum performance. You’ll need a fla