boost spike

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  • automotive/engine/turbocharger terminology
  • boost spike is a brief period of uncontrolled boost, usually encountered in lower gears during spooling of turbocharger
  • spikes usually occur when the boost engine governors cannot keep up with the rapidly changing engine conditions
  • strategy used by some manufacturers in order to get feeling of "engine responsiveness"
  • strategy used in motorsport as part of anti-lag system
  • over load turbo bearings; combined with poor maintenance (long oil change intervals..), results in turbo, IC and most likely engine destruction