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GDi engine can use lower octane for high compression but then GDi have problems with dirty inlet valves in the long run....![]()
Yes, need to do carbon clean regularly like at least every 20k kms. for me it's no big deal as even with my previous normal MPI engines, I also did carbon clean with the same intervals.
GDi is first started by Mitsubishi in 4G93 if I am not wrong. Not much people here want to mod with that engine though. I think the normal DOHC 4G93 has more power than the GDi. Don't see much point for the GDi...
GDi should be able to make more power while consuming less fuel due to the higher compression and more accurate combustion. CMIIW though coz I'm just a newbie about engines, never mind GDi.




