Car Mechanic Simulator 2021 offers players not only to restore rusty frames to factory condition, but also to turn them into real racing cars. Increasing power is key to fulfilling VIP customer orders and special racing tests. Understanding how the various engine components interact allows you to achieve outstanding performance on the track.
In this game, the mechanics of the engine are simplified, but still require a careful approach to the selection of parts. Simply replacing spark plugs will not have the desired effect if the exhaust system remains stock. A comprehensive change in the characteristics of the power unit is necessary, starting from the intake system and ending with the ECU software.
Tuning process in CMS 2021 is fascinating and requires a certain financial investment in the game store. The correct sequence of actions and selection of quality spare parts are the key to success. Let's look at all the available ways to boost the engine.
Engine modernization stages
A fundamental increase in power begins with an analysis of the current state of the motor. Before installing exotic parts, you need to make sure the basic systems are working perfectly. Any wear reduces the effectiveness of tuning, so first replace all worn elements with new or reconditioned ones.
The main increase in horsepower comes from replacing the internal components of the piston group. Installing forged pistons and connecting rods allows them to withstand higher loads and compression ratios. In the tuning menu you will see strength and weight options - choose the lightest and most durable options for maximum performance.
If you are changing connecting rods or pistons, be sure to use a balancing machine. Ignoring this step will lead to vibrations and reduced engine life, which is critical for racing modes.
To achieve maximum power Boring of the cylinder block is often required. This operation increases the engine's displacement, allowing it to burn more air/fuel mixture in one cycle. In the game this is displayed as an increase in volume in cubic centimeters.
Air intake and exhaust systems
An engine is an air pump, and the more efficiently it breathes, the more power it produces. Standard air filters create resistance that restricts airflow at high speeds. Replacing with a zero-resistance sports filter is the first step to improving ventilation.
The exhaust system also plays a critical role. Stock mufflers often choke the engine in order to comply with noise and environmental standards. Installing a direct-flow exhaust (the so-called “spider” and the absence of a muffler) significantly reduces the back pressure. This allows gases to leave the cylinders faster.
- 🚀 The sports intake manifold improves cylinder filling at high speeds.
- 🔥 A turbocharger or supercharger forcefully pumps air, drastically increasing power.
- 🌪️ The intercooler cools the compressed air, increasing its density and combustion efficiency.
Turbine installation requires careful attention to temperature. Hot air reduces power, so intercooler becomes a mandatory element. In the game you can choose different sizes of turbines: a small one will give a quick response at the bottom, a large one will give enormous power at the top.
⚠️ Attention: Installing a turbine or compressor requires mandatory reconfiguration of the fuel system and ignition system. Without this, the engine may become unstable or even get damaged in the simulation.
Fuel system and ignition
To burn the increased volume of air, an appropriate amount of fuel must be supplied. Standard fuel injectors may not be able to handle the increased flow. In the engine tuning menu, select the fuel system section and replace the injectors with high-flow models.
The ignition system must provide a powerful and timely spark. Sports ignition coils and spark plugs with improved spark generation guarantee complete combustion of the mixture. This is especially important for engines with a high compression ratio, where the pressure in the cylinder is high.
The key is to adjust the ignition timing. Ignition too early can cause detonation, and ignition too late can cause loss of power and overheating. In-game parameters are configured via ECU Tuning, where you can choose ready-made presets or manual settings.
Don't forget about the fuel pump. A high-performance engine consumes more gasoline per unit of time. A weak pump will create “fuel starvation” at high speeds, which will lead to traction failures. Make sure the pump meets the requirements of your tuned engine.
Chip tuning and software
Modern engines are controlled electronically and ECU (Engine Control Unit) - This is the brain of your car. Even with mechanical improvements, without rewiring your brain, you won't reach your full potential. Chip tuning allows you to change injection and ignition maps.
In Car Mechanic Simulator 2021, the chip tuning process is presented in the form of a mini-game or selecting the firmware level. You can choose the tuning stage: Stage 1, Stage 2 or Stage 3. Each stage opens up new possibilities for tuning and requires appropriate hardware.
- 📈 Stage 1: Optimization of standard parameters, safe for stock hardware.
- 🔧 Stage 2: Requires the installation of a sports exhaust and intake, changes the speed limits.
- ⚙️ Stage 3: For fully tuned engines with turbines, changes the boost pressure.
The software also allows you to turn off catalysts and lambda probes (virtually), which reduces exhaust resistance. However, this may affect the environmental friendliness of the car, although in the context of racing this is secondary. The main thing is stability of operation in all modes.
Comparison of parts characteristics
When choosing spare parts in a game store, it is easy to get confused by the numbers. Some parts give an increase at low speeds, others at high speeds. It is important to understand what track you are preparing the car for. Torque is important for drag racing, maximum power is important for circuit racing.
Below is a table showing the approximate impact of various components on the performance of a 2.0 liter engine.
| Component | Power gain (%) | Effect on torque | Cost (game $) |
|---|---|---|---|
| Sports filter | 3-5% | Minimum | Low |
| Turbocharger | 40-60% | High (mid speed) | High |
| Forged pistons | 10-15% | Average | Average |
| Chip tuning Stage 3 | 20-30% | Depends on the card | Average |
As can be seen from the table, the greatest jump in performance comes from installing a supercharging system. However, without strengthening the piston group, the turbine can quickly destroy the engine. Balance is the key word when building.
When assembling the engine, pay attention to the weight of the parts. Lighter pistons and connecting rods reduce inertial mass, allowing the engine to rev faster. This is especially noticeable on dynamic tracks with frequent acceleration and braking.
Transmission and power transfer
There is no point in increasing power if it is not transmitted to the wheels. A weak clutch will begin to slip during a sharp start, and a short-throw gearbox will not allow you to realize the potential of the engine on a straight line. Transmission tuning goes hand in hand with engine tuning.
Replace the standard clutch with a reinforced sports clutch. It can withstand high torque without slipping. It's also worth paying attention to the differential: a locking differential (LSD) will help you corner more efficiently by distributing traction.
- 🏁 Short-throw shifter improves gear shifting accuracy.
- 🔄 Sports gearbox with modified gear ratios optimizes acceleration.
- 🛑 Strengthened brakes are necessary to stop a heavy and fast car.
After assembly, be sure to test drive it on a dyno. It will show the actual power and torque curve. If the graph has dips, a finer adjustment of the gearbox ratios or ignition angle may be required.
☑️ Checking the car’s readiness for the race
Typical mistakes when tuning
Beginners often make the mistake of installing the most powerful turbine without modifying the remaining systems. This causes the engine to operate in an inefficient manner. The turbine may be too large for the engine's displacement, causing "turbo lag" - a delayed response to the gas pedal.
Another common mistake is ignoring the cooling system. A powerful engine generates a lot of heat. A standard radiator may not be enough, which will lead to overheating and emergency power loss. Installing an additional or larger radiator solves this problem.
Don't forget about the suspension. A sharp increase in power on a rear-wheel drive car with a soft stock suspension will lead to constant skidding. Stiff springs and sports shock absorbers will help you maintain your trajectory.
⚠️ Attention: In Car Mechanic Simulator 2021, the damage mechanics are simplified, but in the Sandbox mode or when completing timed contracts, overheating or breakdown may cost you money for repairs. Monitor engine temperature during tests.
Final check and tests
After assembling all the systems and configuring the ECU, the moment of truth comes. Drive the car onto the track. Pay attention to the behavior of the car: whether there are any jerks during acceleration, whether the speed is stable. If the car jerks, the mixture may be too lean or the ignition may be misfired.
Compare the performance before and after tuning. The game has statistics where you can see the growth horsepower and newton meters. A good result is considered to be doubling the power of a stock naturally aspirated engine with proper installation of the turbine.
Don't stop there. Experiment with different combinations of intake manifolds and combustion chamber shapes. Sometimes a non-obvious combination of parts will produce a better result on a particular track than just the most expensive components.
What is the maximum power you can get in CMS 2021?
The theoretical limit depends on the engine type. For a V8 with twin turbocharging and full tuning, figures in excess of 1000 hp can be achieved. However, for standard 4-cylinder engines, 600-700 hp often becomes the limit. due to volume limitations.
Is it necessary to change the gearbox when tuning?
Yes, a standard box may not withstand the increased torque and fall apart. In addition, sports transmissions have different gear ratios that are better suited for racing, allowing you to stay in the maximum rev range longer.
Does the weight of the car affect the tuning result?
Absolutely. Reducing weight (removing unnecessary parts, installing lightweight wheels) affects acceleration dynamics even more than a small increase in power. Light car with 300 hp can overtake a heavy one with 400 hp.
Is it possible to return all the parts back?
Yes, in the garage you can dismantle tuning parts and install stock ones at any time. However, sold parts cannot be returned, so for experiments it is better to have a reserve of money or use the sandbox mode.