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I told my tuner I’d like his input on PI vs HPFP upgrade. His response
“So for me PI is best always. I see multiple people chasing DI numbers and then having to blend OR run the car VERY lean to hit the power goal is not worth it. Running Port injection allows you to have all the fuel and run the car richer which is safer. also all the aftermarket calibration for EU5's and hpfp upgrades is never as good as OEM. Pi has no effect on any of that.”
So seems like he prefers PI. But I’d rather just run HPFP upgrade. For a hardware upgrade. Not have to worry about splicing into factory DME. No additional injectors to fail, etc. I believe my goals 720-740 wheel are possible without mixing or leaning the car out. Am I wrong in that assumption? Am I missing something?
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