MOST FAILED V8 engine of all time? | TRIUMPH V8

WHY THE TRIUMPH V8 IS STILL THE WORST ENGINE IN HISTORY

The Triumph V8 engine, often considered one of the worst engines in automotive history, was a mechanical disaster that plagued the beautiful Triumph Stag grand tourer. Despite its ambitious design and elegant looks, this 3.0L V8, producing only 145 horsepower and 170 lb-ft of torque, was marred by engineering flaws, most notably its inadequate cooling system and awkward water pump placement. The head studs were mounted at different angles, leading to warped cylinder heads and catastrophic failures. Triumph’s decision to forgo the reliable Rover V8 in favor of this underdeveloped engine ultimately doomed the Stag and left a lasting mark as one of the biggest automotive blunders ever. Think you know an engine worse than this? Let us know in the comments!

00:10 Introduction
02:03 Origins and Ambition
04:25 The Engine's Fatal Flaws
09:49 Impact on the Triumph Stag and British Leyland
12:06 Conclusion