When it comes to the Toyota FJ40 Land Cruiser, two of the most popular engine options were the 3B and 2H diesel engines. These engines are known for their reliability, durability and off-road capability, but they also have their own unique set of characteristics. In this article, we will take a closer look at the 3B and 2H diesel engines, compare their differences, and also explore some of the popular aftermarket modifications that can be done to increase power and efficiency.
The Toyota 3B diesel engine is a 3.2-liter inline-four engine. This engine was known for its fuel efficiency, low emissions, and high torque. It was also used in other Toyota models such as the Toyota Hilux, Toyota Hiace and Toyota Dyna. One of its advantages is its smaller size and weight, which made it more fuel-efficient, but also less powerful.
The Toyota 2H diesel engine is a 4.0-liter inline-six engine. This engine was known for its power and good low-end torque. It was used in Toyota Land Cruiser models such as the FJ40 and FJ60. Compared to the 3B engine, the 2H engine is bigger and heavier, which resulted in less fuel efficiency, but more power.
When it comes to aftermarket modifications, adding a turbocharger to the 3B engine is a popular choice. This modification can increase the engine's power and torque, but it will also increase fuel consumption. Another popular modification is a fuel injection pump upgrade, which can increase the engine's power and torque, and also improve fuel efficiency.
For the 2H engine, increasing the size of the turbocharger and intercooler is a common modification that can be done to increase the engine's power and efficiency. Another modification is to swap the original injectors for higher-flow units that can increase the engine's power and efficiency.
In conclusion, The Toyota FJ40 Land Cruiser offers two powerful and reliable diesel engines, the 3B and 2H, each with its own unique set of characteristics, depending on your needs, you can pick the engine that best suits your needs. While these engines are already powerful in their stock form, these aftermarket modifications can give them a considerable power boost and improved fuel efficiency.