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 Citroën 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
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