NEW ENGINES 2016
- Magazine Feature Article
Published February 01, 2016 by SAE International in United States
Engine history bonus question for 100 points: What technology has been shared by the P-47 Thunderbolt fighter plane, Oldsmobile's 1962 Jetfire V8, the
Answer: Water injection, a proven technique for raising the knock threshold, enabling a higher compression ratio for more power output over a wide operating range. Water injection is particularly effective in highly boosted engines, hence BMW's adoption of it in a limited-production run of M TwinPower 3.0-L Turbo inline six units powering the track-day-focused M4 GTS.