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PorscheDirect-injection


Winding Road takes a look at direct injection

While it may seem that direct injection is just the latest and greatest way to dump fuel into an engine, the reality is that DI technology is the absolute best way to inject dead dinos in an engine. How so? Past efforts to increase power and fuel efficiency, while laudable, all had at least one serious flaw in that they were injecting air and fuel into an intake tract ahead of the actual combustion chambers, relying on a series of educated guesses on how that mixture would react when ignited. Direct injection gets its name from the process ... Read more →

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