Autopsy of a Blown Subaru EJ20 Engine! 4 Real Causes Explained | 拆解爆缸 EJ20：这才是它的真正死因！

No stories, just pure mechanical truth. We tear down a Subaru EJ20 engine that blew up on the dyno to reveal its ultimate "Autopsy Report." Timestamps / 视频章节： 00:00 The Last 3 Seconds on Dyno / 马力机爆缸瞬间 00:45 The Legendary EJ20 / 传奇心脏 EJ20 01:15 Cause 1: Broken Piston Ringland / 活塞环岸崩裂 01:50 Cause 2: Semi-Closed Deck & Head Gaskets / 水道刚性与冲缸垫 02:35 Cause 3: Cracked Oil Pickup / 机油吸油管开裂与烧瓦 03:20 Cause 4: Cylinder 3 & 4 Overheating / 3、4号缸散热死角 04:05 The Ultimate Culprit: Wrong Tuning Order / 真正元凶：改装顺序错误 04:45 How to Build It Right / 正确的保命强化顺序 The EJ20 isn't fragile—it just sets a clear boundary. Respect the sequence, and it will serve you well. If you found this breakdown helpful, please LIKE, COMMENT, and SUBSCRIBE! Subaru EJ20 Engine Teardown Engine Failure WRX STI Boxer Engine JDM Subaru STI Engine Autopsy