There's a new acronym floating around the performance industry—GDI—and it stands for gasoline direct injection. Among domestic production engines that have jumped heavily into the GDI segment are the ...
Direct injection- savior of the two-stroke outboard. That's what some manufacturers trumpeted a year or two ago. But instead of joyfully harvesting the promised benefits of smoother running engines, ...
The basic difference between direct injection (DI) and the port-fuel injection (PFI) systems we've become familiar with since the mid-1980s is that PFI sprays fuel into the intake manifold (behind ...
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