The Subaru FA20 is a 2.0-liter horizontally opposed (boxer) four-cylinder engine produced from 2012 to 2021, available in naturally aspirated (FA20D) and turbocharged (FA20DIT/FA20F) variants, delivering 197–296 hp. It replaced the aging EJ series, introduced a timing chain and direct injection, and powers the BRZ, WRX, Levorg, and Forester XT — earning both awards and … Read more
The Subaru EJ25 is a 2,457 cc horizontally opposed (boxer) four-cylinder engine produced from 1994 to 2021, available in naturally aspirated and turbocharged variants with power ranging from 155 hp to 341 hp. It powers over a dozen Subaru models and is legendary for its tuning potential — but also notorious for head gasket failures, … Read more
The Nissan KA24DE is a 2.4-liter DOHC inline-4 engine produced from 1991 to 2016, widely recognized as one of the most durable naturally aspirated four-cylinders Nissan ever built. With a cast-iron block, simple non-turbo architecture, and a well-documented lifespan of 300,000+ miles, it remains a practical workhorse — yet its plastic timing chain tensioner, age-related … Read more
The Nissan VR38DETT is a hand-assembled, 3.8-liter twin-turbocharged V6 that powered the R35 GT-R from 2007 to 2025 — one of automotive history’s longest-running supercar engines. Stock units are impressively reliable; failures almost always trace back to neglected oil changes, improper shutdown habits, or aggressive tuning without supporting modifications. Introduction Why is the VR38DETT simultaneously … Read more
The Nissan VQ37VHR is a 3.7-liter naturally aspirated V6 engine praised for its high-revving character and strong internals, but it comes with four well-documented weak points — oil galley gaskets, catalytic converter degradation, water pump failure, and oil consumption — all of which are manageable with proper maintenance and early diagnosis. Introduction Why is the … Read more
The Nissan VQ35DE is one of the most celebrated naturally aspirated V6 engines ever built — a 3.5-liter powerplant that won Ward’s 10 Best Engines award 15 times and powered everything from family sedans to iconic sports cars. As of 2026, it remains in production and on the road in millions of vehicles worldwide, praised … Read more
The Nissan SR20DET is a 2.0-liter turbocharged inline-four engine produced from 1989 to 2002, widely regarded as one of the most tunable four-cylinder engines ever built. Stock examples reliably last 200,000+ miles with proper maintenance, deliver 205–250 hp from the factory, and are capable of 400+ whp on stock internals with the right modifications — … Read more
⭐ Quick Summary: The Nissan SR20DE is a 2.0-liter DOHC naturally aspirated inline-four produced from 1989 to 2002, widely regarded as one of the most reliable and tuneable Japanese four-cylinders ever built. With proper maintenance, it routinely surpasses 200,000 miles. Its four critical weak points — timing chain tensioner failure, valve cover gasket leaks, IACV … Read more
Summary: The Toyota 2JZ-GE is a naturally aspirated 3.0-liter inline-six engine produced from 1991 to 2007, famous for its cast-iron block, exceptional longevity (300,000+ miles documented), and outstanding tuning potential. When properly maintained, it is one of the most reliable JDM engines ever built — but four known issues require proactive attention. Why is the … Read more
The Toyota 3UZ-FE is a 4.3-liter naturally aspirated V8 produced from 2000 to 2013, widely regarded as one of the most durable luxury V8 engines ever mass-produced. With proper maintenance — especially timely timing belt replacement — it routinely surpasses 300,000 miles (480,000 km), and documented cases exceed 450,000 miles. Its four critical weaknesses are … Read more