Quote:
Originally Posted by Seb@SZ
One BIG issue that doesn't come up is the fuel pressure drop associated with a stock fuel pump assembly AND keeping it returnless. Over time the drop can get worse leaning out the AFRs. I HIGHLY, and I stress HIGHLY, recommend forced inducted 370Zs run a return style fuel system. From what we've gathered, fuel pressure drops become apparent near and around 450 whp.
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Can't you just upgrade to a higher output pump?
Between that and bigger injectors I'm surprised there would be much drop off unless we're talking a
lot of boost pressure.
What lph and injectors are the high horsepower Z's running vs. OEM specs?