The Best 5 JDM Engines to Modify - A Guide

Sep 4, 2023

The Best 5 JDM Engines to Modify - A Car Enthusiast's Guide

You probably have seen videos of Japanese cars with mind-blowing engine power, this is thanks to JDM engines being amazing platforms for modifications and tuning. Modding and tuning is not an easy task to undertake, but tuning JDM engines are not rocket engineering. With enough knowledge and craftmanship, you too can modify your engine to greatness! (We recomend modifiying your engine within regulations!)

Japanese Domestic Market (JDM) engines are known for their reliability, power, and their ability to be modified. JDM engines are known to be cost-effective but provide an excellent value for car enthusiasts. If you're looking to take your car to the next level, modifying your JDM engine is the way forward. However, with multiple options available, it can be overwhelming to select the best JDM engine to modify. So, here's a comprehensive guide to help you choose the best JDM engines to modify.

Honda B-Series

Honda B16

B16's are not Formula engines (obviously), but their potential are beyond what you might expect from a typical hatchback engine. These budget friendly engines could be modified to pump out impressive power, but make sure your drivetrain can handle that much of power!

The Honda B-Series is an iconic engine for car enthusiasts and has become the go-to option for individuals looking for quality modification options. This engine has been around since the 90s, and because of its performance, response, and acceleration, it has remained a popular choice for car modifiers. The Honda B16A and B18C engines are the most popular ones when it comes to modifying. You can easily add components and extract more power with this engine, making it a great option.

Nissan RB-Series

Nissan RB25

Designed from scratch to be powerful, RB25's rather large displacement and impressive engineering elevates this engine's tuning potential to next level!

The Nissan RB-Series has been used in Nissan Skylines and 300ZX sports cars and is known for its high power and reliability. RB20DET, RB25DET, and RB26DETT engines are the most common options for enthusiasts looking to modify these engines. RB engines respond well to turbocharging, and you can make significant horsepower upgrades with basic modifications.

Toyota 2JZ-GTE

Toyota 2JZ

Power behind the legendary Supra, this engine was tuned up to nearly 1000 horsepowers by skilled modifiers. A great testament to how much potential this JDM icon has.

The Toyota 2JZ-GTE engine has been used in many Toyota sports cars and Supras, making it a fan favorite. This engine can survive massive amounts of horsepower, making it the perfect option for high-powered performance builds. This engine can generate close to 1000 horsepower with some modifications. The 2JZ-GTE engine is known for its durability and reliability, making it the ideal option for enthusiasts.

Subaru EJ20/EJ25 

Subaru EJ25

Compact but open to modifications, EJ25's base performance is rather exceptional for its size. With correct modifications and tuning, this engine could reach impressive power output levels.

The Subaru EJ20 and EJ25 engines have been used in many Subaru models, including WRX and WRX STI. The EJ20 and EJ25 engines can handle a significant amount of power and are reliable, which is important when it comes to modifying engines. With a range of parts available for these engines, it's not difficult to extract more power, making both of them popular JDM engines for modification.

Mazda 13B Rotary

Mazda 13B

Using a rotor instead of pistons, Wankel engines are unique feats of engineering; and thanks to Mazda's adoption of them for their RX series, they still remain relevant amongst car enthusiasts.

The Mazda 13B Rotary engine is a unique engine that has gained popularity worldwide. The engine is different from standard piston engines and is capable of producing more power per liter than similar-sized engines. It's a lightweight engine and can be modified to produce high horsepower while still maintaining balance. The Mazda 13B Rotary engine can be difficult to maintain, but for enthusiasts who are willing to take the time, it's a popular option to upgrade.

JDM engines are a great option for car enthusiasts looking to modify their cars. With various options available, you can select the best engine that suits your needs and budget. Whether you're looking for reliability, power, response, or all three, JDM engines have something to offer. The five engines mentioned above are some of the most popular to modify and can provide an excellent value when done correctly. Remember, before you start building your dream car, make sure you purchase the best engine that suits your needs and budget.