Quote:
Originally Posted by Darkrune
Direct injection normally runs out of pump before injectors. Whether in tank or HPFP. With there being a duality of injectors, I am sure someone will figure out some slick tuning for them that squeezes the pump out. Also, the dw65c runs a lot smoother than most OEM pumps. Also, better safe than sorry,
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I've ran 540cc injectors and 770cc injectors on 93 octane and haven't neared the point where I'll have to replace the pump.
I've replaced the pump just to mess with it for a dw65c and swapped back to stock. For awhile I had 2 canisters that I would go back and forth with while testing.
The dw65c is a decent pump, however the pump on this platform isn't a slouch nor is replacing it child's play.
Search on this forum and you'll find examples of people who had problems with replacing the pump and those who loss fuel pressure due to incorrect installations.
If you're saying rather "safe than sorry", any fuel pump can go out, whether stock or aftermarket.
In some instances, built motor, flex fuel, etc. the pump may well need to be changed. However, where the bulk of the FI owners will be, it doesn't.
Change the port injectors under the hood, leave your back seat alone, drive sideways and smiling.