Subaru Archives - Engine Builder Magazine
DRZA Auto is a JDM and Nissan Playground

We first spoke to Derek and Rita Cho-Sam back in 2020 for our Engine of the Week series, and quickly came to realize that their shop, DRZA Auto, did some awesome work on Nissan cars and engines. While DRZA will take on other JDM work, the Nissan stuff is where Derek shines as a master

DRZA Auto
Cobb Tuning Subaru Stage 2 Power Package

Cobb OTS maps are aimed at reliably increasing power output with the use of Cobb Stage 2 Power Packages.

All-Billet Subaru EJ 2.5L Engine

This 2016 Subaru STi, which features an all-billet EJ 2.5L engine, was built to showcase what Kaiju Motorsports is capable of. Not only does it look great, but all expectation is that it performs well too. Check it out!

Kaiju Motorsports 2016 Subaru STi with a billet EJ 2.5L engine
Kaiju Motorsports’ All-Billet Subaru EJ 2.5L Engine

Hands down, this was one of the more eye-popping engine bays we saw during the 2023 PRI Show. The Kaiju Motorsports-built STi Subaru is a cool car in and of itself, but with an all-billet 2.5L EJ engine featuring titanium piping, this thing stopped you in your tracks and forced your head to turn. We

Piper Cams Subaru Impreza Turbo 2.0 Camshafts

Piper Cams is currently featuring their Subaru Impreza Turbo 2.0 camshafts, which cover version 4-10.

EB TAKEOVER: iCraveBoost Performance

In this EB Takeover we get a behind the scenes look at iCraveBoost Performance with owners Nicole and Schiller Murphy. Get some insight into the shop, its projects, the engine building program, and some dyno action with the shop Evo 9.

Closed-Deck Engine Block Conversions

Want power at a low cost? Reliability will become your issue. Want it built for power and reliability? That’s going to hit your wallet harder… or is it? Enter the world of block conversions.

Closed Deck
Popular Engine Swaps

Engine swaps belong in a world of their own. After a little digging, you can find multitudes of ingenious swap ideas, whether it be small block to big block, diesel to gas, or many other combinations.

Honda engines have been a popular choice for engine swap enthusiasts since the early 90s due to their power and dependability.
Stage X 2.35L Closed-Deck Subaru Engine

Justin Anning and his engine shop, Nemesis Performance, don’t do things people normally do. He does things differently, and nothing is more proof of that than his recent build of a 2.35L Subaru Stage X Closed-Deck engine for drag racing. Find out why Justin is calling this his biggest and baddest engine yet!

Rebuilding the Subaru WRX Engine

The WRX has been around for quite some time as Subaru’s flagship, four-door performance car. We took an in-depth look at the WRX engine architecture, the pros and cons of some of the engine variants for North America, and what it takes to build these engines up to handle serious horsepower.

Continental OEM Fuel Injectors for Infiniti, Nissan & Subaru

The fuel injectors are direct OE replacement parts and identical in fit, form, and function to the OE part. They deliver the same genuine quality of OE components.

Twin-Turbo 13B Mazda Rotary Engine

When it comes to engines, the Mazda rotary is an entirely different animal. When Scott Molitor of Mofab, LLC contacted us and told us he was building a rotary engine for his 2000 Subaru Impreza, we had to know more about the decision to do it, and of course, we wanted to hear all about what it took to make the rotary engine a strong fit.