Quote:
Originally Posted by Ryephile
^^^it's a nice official sounding excuse, just keep in mind that no other OEM has long-crank issues that's related to DI.
A datalog of the rail pressure, and ultimately injector pulsewidth, would prove this.
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And as I mentioned, other DI engines use an electrically driven high pressure fuel pump so the pump is up to speed the moment you press the button. The engine has to be turning in order for the Gen V small blocks high pressure fuel pump to work.
Not sure how that is hard to understand. It's not a DI issue as others tend to say, but how GM decided to power the high pressure fuel pump that is needed for DI for the Small Blocks.