Subaru's EJ Engine Family: A Complete Guide to Every Variant
Subaru's EJ engine family is one of the most confusing lineups to navigate from the outside — the codes look...
Toyota 2JZ-GE vs 2JZ-GTE: What's the Difference?
The Toyota 2JZ is arguably the most famous inline-six in import tuning history — and it comes in two fundamentally...
Subaru EJ255 vs EJ257: WRX vs STI Engine Differences Explained
If you own a Subaru WRX or STI, or you're shopping for a replacement engine, you've seen these two codes:...
Nissan VQ35DE vs VQ35HR: What's the Difference?
Nissan's VQ family is one of the most durable and widely-used V6 lineups in automotive history, appearing in the 350Z,...
Honda K20A vs K24A: What's the Difference and Which Should You Buy?
Honda's K-series is the most-swapped modern four-cylinder engine family on the planet — and the two codes you'll see most...
JDM Engine Codes Explained: How Honda, Toyota, Nissan & Subaru Name Their Engines
Unlike U.S. marketing names, JDM engines are almost always identified by a manufacturer code rather than a trim name. Once...
