Quote:
Originally Posted by fierodeletre
I didn't go through it, but if that is true, why do they use such a high pressure fuel pump and injectors? Technically in a NA engine that air charge would be in vacuum.
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Because it is like a Diesel .. Normal injectors squirt the fuel in the opposite stroke towards the bottom. DI has a VERY VERY small window of time to get the fuel into the cylinder. we are talking quarters of a milisecond to get the exzact amount of fuel for every stroke .. VERY complex