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There might be more to this, very interesting point. I wonder if increased volume or pressure feeding the HPFP would allow it to perform more effeciently. Of course this would depend on a tuner...

http://journals.pepublishing.com/content/757l504255673671/

Interesting read on the subject. Sorry to highjack the thread from map sensors to fuel pumps.

I'm aware of the pumps failing, which just points itself out as the week link. So if a new, higher pressure pump could be adapted can any tuner control the pressure? The desiel guys run over...

That DME is a PITA. Now that the standback can run a 3bar map, the fuel is really the only problem. Don't most piggybacks just take control over functions and then lie to the DME about what's...

Is this an assumtion? Is anyone aware of DI injectors ever failing?, or are we just assuming its too much pressure or duty due to our knowledge of traditional injectors? If the HPFP is maxed out,...