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orange4boy · 08-21-2008, 04:57 PM

Yeah, That's probably right. The spark may be cooler. I have not been able to find out how much difference it makes but my ultimate plan is to have 2 8v deep cycle golf cart batteries in series for 16v (cars are designed to be able to handle a wide voltage range)

The alternator disconnect savings is real though.

"Even more to the point, the U.S. Corporate Average Fleet Efficiency (CAFE) standard prescribes a maximum fuel consumption rate for cars sold in the United States. The Federal government assesses a penalty of US $5 for every 0.1 mile per gallon (0.04 kilometer per liter) below 27.5 mi/gal (8.55 L/100 km) on every car the manufacturer sells. A 200-W electrical load accounts for about 0.4 km/L in the FTP 75 cycle test; so, if a manufacturer is delivering 25-mi/gal (9.41 L/100 km) cars, for example, it can justify spending more per vehicle on components to improve electrical efficiency."

IEEE Spectrum: Automotive Electrical Systems Circa 2005

I could also install a higher voltage aftermarket coil which would take care of the problem right there.

08-21-2008, 04:57 PM	#3 (permalink)
orange4boy Master EcoModder Join Date: Aug 2008 Location: The Wet Coast, Kanuckistan. Posts: 1,275 The Golden Egg - '93 Toyota Previa DX 90 day: 31.91 mpg (US) Chewie - '03 Toyota Prius 90 day: 57 mpg (US) The Spaceship - '00 Honda Insight Thanks: 100 Thanked 306 Times in 178 Posts	Yeah, That's probably right. The spark may be cooler. I have not been able to find out how much difference it makes but my ultimate plan is to have 2 8v deep cycle golf cart batteries in series for 16v (cars are designed to be able to handle a wide voltage range) The alternator disconnect savings is real though. "Even more to the point, the U.S. Corporate Average Fleet Efficiency (CAFE) standard prescribes a maximum fuel consumption rate for cars sold in the United States. The Federal government assesses a penalty of US $5 for every 0.1 mile per gallon (0.04 kilometer per liter) below 27.5 mi/gal (8.55 L/100 km) on every car the manufacturer sells. A 200-W electrical load accounts for about 0.4 km/L in the FTP 75 cycle test; so, if a manufacturer is delivering 25-mi/gal (9.41 L/100 km) cars, for example, it can justify spending more per vehicle on components to improve electrical efficiency." IEEE Spectrum: Automotive Electrical Systems Circa 2005 I could also install a higher voltage aftermarket coil which would take care of the problem right there. __________________ Vortex generators are old tech. My new and improved vortex alternators are unstoppable. "It’s easy to explain how rockets work but explaining the aerodynamics of a wing takes a rocket scientist.