[Automcdonough]

Originally Posted by Daox

This has been tested by another on our forum, and he did see an increase in bumping the ignition voltage back up to ~14V. I do have an idea for doing this, I just haven't done it yet.

Here is his thread: http://ecomodder.com/forum/showthrea...e-up-7551.html

I'm not familiar with the car he did that to, but isolating the precise reason he got better economy would be nice. They were discussing injector opening times and fuel pressures but if there was a conclusion then I missed it. It's hard to know how well the OEM ECU compensates without having a wideband o2 sensor hooked up.
My car runs a return style fuel setup, converting to a regulated non-return pump would certainly shave some watts of use off, plus make playing with the pressure easier than buying a set of FPR's to swap.