Introduction
Engines that are powered by petroleum products instead of an electric power supply are referred to as Cars with non-interference engines. If you are curious about exploring cars with such functionality, we will discuss in detail those companies providing cars with non-interference engines.
Defining non-interference engines | functionality
Combustion engines work in complex manners and engineering patterns that can cause a problem if it does not work as a manufactured pattern. More often, some problems depend on either if it is caused by interference on a non-interference engine to diagnose it quickly. Because some issues are assumed to happen in the interference engines specifically.
Functionality
Generally, the working of an engine is based on the moving pattern of the crankshaft and pistons. The more the movement will be smooth the more it works efficiently. In engines, interference is the path where pistons and valves move to and fro. The moving path for pistons and valves can be crossable.
In cars with non-interference engines, the path of the piston is placed in the top dead center so that it never crosses the path of the moving valves.
Top Brands | Cars with non-interference engines
There are a number of Top car brands that provide car models with different types of engines. These engines are further categorized into interference & non-interference engines. People usually do not take interest but in case of an emergency or issue to be caused by an engine while traveling, it is necessary for the driver to understand the basic functional mechanism of both interference and non-interference engines.
1- Ford (Motors)
Ford Motor automobile company is known for its high-performance vehicles such as pickup trucks and sports cars.
Following are the models provided by Ford Motors with Non-interference engines.
- 1.3L Non-Interference model
- 1.6L DOHC Non-Interference
- 2.0L DOHC (Focus, Mystique, ZX2 & 1999-2002 Cougar) Non-Interference
- 2.0L SOHC Gasoline (Escort, Focus & Tracer) Non-Interference
- 2.0L SOHC Gasoline (Capri, Pinto & Ranger) Non-Interference
- 2.3L SOHC Gasoline Non-Interference
- 2.4L 4-cylinder Non-Interference
- (3.0, 3.2) SHO Non-Interference
2- Honda
Honda is a multinational Japanese cars & bike manufacturing company that is known globally for its highly efficient performance power vehicles. It provides the following cars with non-interference engines.
- 3.0L & 3.2 which are Non-interference
- Honda Accord V6
- Honda Avancier
3- KIA (Motors)
KIA is the child company of Hyundai which is winning the race in the best automobile market demands. A multinational South Korean renowned company.
Following are the cars with non-interference engines provided by KIA with highly appreciated performance are listed below.
- 1.6L & 2.0L SOHC cars with Non-interference engines
- KIA Sportage & Spectra
4- Toyota
Toyota is a Japanese automobile company that holds the position of the biggest automobile manufacturing company at the global level. Following are the listed models that Toyota provides with Non-interference engines.
- 1.5L (3E-E) Non-Interference
- 1.5L (5E-FE) Non-Interference
- 1.6L DOHC (4A-F & 4A-FE) Non-Interference
- 1.6L DOHC (4A-GE & 4A-GZE) Non-Interference
- 1.6L SOHC Non-Interference
- 1.8L 7AFE, 4AFE, 4AF – Non-Interference
- 2.0L Non-Interference
- 2.2L Gasoline Non-Interference
- 2.5L Non-Interference
- 2.8L Non-Interference
- 3.0L Inline 6 (Excluded 2JZ-GE) Non-Interference
- 3.0L V6 Non-Interference
- 3.4L Non-Interference
- 3.5L V-6 Non-Interference
5- Suzuki
Suzuki is a Japanese International company that is known for its high-performance manufacturing of cars, motorcycles, and other varieties of interference & Non-interference Engines.
- 1992 Kick JX 4×4 4 door Non-interference
- 1.6L 8 Valve Engine Non-Interference
- 2.0L Non-Interference
6- Acura
Acura is categorized as a luxury Japanese child company of Honda. It manufactures high-end luxury and sports cars with inference & non-interference engine specifications. Following are the listed model’s architects by Acura.
- SLX Non-Interference
- Acura 3.0CL Non-interference
7- Lexus
Lexus is a luxury vehicle division of Japanese carmaker Toyota. The Lexus brand is widely famous and is marketed in more than 70 nations around the world. Lexus is Japan’s biggest-selling premium car brand.
- 2.5L Non-Interference
- 3.0L & 3.3L V6 Non-Interference
- 3.0L Inline 6 Non-Interference
8- Jeep
Jeep is an American automaker that is a wing of Stellantis. Its high-performance engines are unbeatable by any of the other automaker companies and Jeep holds and stabilizes its reputation very brilliantly. A car with a non-interference engine provided by a jeep is,
- 2.0L Non-Interference
- GM non–Interference
9- Subaru
Subaru is an automobile-making division of the Japanese transportation conglomerate Subaru Corporation. The brand is well-known for its reliable and affordable motor vehicles.
- 1.8L EJ18 & 2.2L EJ22 Non-Interference (1990-1996)
- SOHC Non-Interference
10- Volkswagen
Volkswagen is a German company that is considered to be one of the biggest automakers in the world. It provides the following models of cars with non-interference engines.
- TDI 1.8L – 8 valve Non-Interference
- 2.0L – 8 valve Non-Interference
Comparison (Interference & Non-interference)
Interference
Interference engines’ working mechanism is based on a 4-stroke internal combustion piston in which the path of valves is opened up to the path flow of the moving piston which can be a cause of the issue in the working structure of the engine.
Non-interference
In contrast to cars with non-Interference engines, the path of the piston is not extended towards the path flow, where valves are opened. There are fewer chances of any inconvenience in the working of the engine. The main advantage is that it allows engine designers to maximize the engine’s compression ratio. However, such engines risk major internal damage if the piston strikes the valves due to failure or poor maintenance of the timing components.
Conclusion
Interference engines are highly demanded engines nowadays due to their high petrol mileage as compared to non-interference engines. Technically if the health of the engines is the issue to be considered, cars with non-interference engines contain less risk of damage as per their working mechanism. The engine would be more secure and reliable if there is less chance of valve and piston colliding risk.
FAQS
Should we prefer cars with non-interference engines over interference?
Ans. There is a high risk of valves and pistons colliding in interference engines which requires regular checkups and management of the engine. Whereas on the other hand, there is no such risk in a car with a non-interference engine.
What happens if a timing belt breaks on a non-interference engine?
Ans. There will not be any big issue if the belt breaks on a non-interference engine. We just need to replace it as it does not cause any big problem with the cylinders or pistons.
Are Hyundai engines non-interference?
Ans. Hyundai produces both interference and non-interference engines according to market demand and trends.