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Searching a naturally aspirated engine

  • gasoline direct injection (GDI), also known as petrol direct injection, direct petrol injection, spark-ignited direct injection (SIDI) and fuel-stratified injection (FSI).
  • variable valve timing (VVT) is the process of altering the timing of a valve lift event, and is often used to improve performance, fuel economy or emissions.
    • can be used with both direct and indirect injection
  • best would be to find a indirect injection engine, like on Mazda 6 GH 2.0 pre-facelift (2008-2010) and all Mazda 6 GH 1.8 (2008-2012).
  • VTi (Valve Timing injection) engines created by PSA Peugeot Citro├źn and BMW Group uses indirect injection
    • there are 2 variants, 1.4 with 95 bhp and 1.6 with 115bhp
  • MIVEC is the brand name of a variable valve timing (VVT) engine technology developed by Mitsubishi Motors
  • Honda VTEC ..
  • Ford TI-VCT, non GDI
  • PM (particulate matter) is produced only by engines with direct injection
  • EURO 6
    • it is achived basically only with direct injection with very few exceptions
    • Toyota has some small 1.33 MPI EURO 6 engines
  • EURO 5
    • most engines are designed with direct injection,
    • few exceptions for >1.6, like Mazda MZR 1.8i
    • easier to find for small engines, <1.4
  • EURO 4
    • many engines can be found with indirect injection
    • but many use with direct injection, think about VW/Audi FSI