Joined: Mon May 19, 2008 5:06 pm Posts: 12225 Location: Powell River BC - 7 time WCBF Survivor
Year and Trim: 2000 SSEi, 79 Firebird, 88 Jeep, 11 Yukon Denali
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Roger, It depends on what mods you have done to the engine. In my case, I need the extra volt bump in pressure/flow. I agree that with a stock engine, the stock fuel injection system running at 12 volts is just fine. When your DIC reads 14 volts, there is only around 12 volts going to the fuel pump. The gauge of wiring the factory uses is smaller than ideal.
_________________ 2000 SSEi - SilverBullet - 78,000 kms, 4" "straight shot" custom headlight ram air inlet, TOGs, 1.9's, Lsd, 2.9-3.4"MPS 10-15 psi, Ported GenV, EGR eliminated, OR pushrods, oil volume kit, trani cooler & shift kit, Titanium retainers, 90 lb springs, 160 Stat, 42# injectors, Fuel pump voltage increase, Wideband O2, 3" to dual 2 1/2" Magnaflows, Snow Meth/water injection, after SC temp gauge, 255/50WR17, timing commander set 15-18*@WOT, 2 speed Fan over-ride, disabled DRL, Solid motor mount, Meziere Electric water pump, adjustable fuel pressure regulator, Drilled & slotted rotors/ceramics, GXP sway bars and STB, Upgraded and rebuilt transmission with ZZP 2500 rpm stall TC, Pioneer Bluetooth stereo with sub and 800 W amps, PB 13.5 quarter, (April 2014 car of the month)
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