Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - How much fuel does it take to re-start a warm engine?

orange4boy · 08-15-2009, 03:31 PM

Sorry about the hyjack...

I don't have any stepdowns. I will, at some point, tap just the coil, fuel pump and starter for 18V and tap the rest of the car at 12V. My only casualties have been my dome lights which I will swap for LEDs when I get a chance.

Cars are designed to able to take much higher voltage in case of alternator/regulator over voltage. Having said that, running at the higher voltage over time has overheated those dome lights. Do the tapped setup if you try this so you don't possibly let the smoke out of your ECU. Laziness can be expensive.

Idle less and save the world! (to keep on topic)

08-15-2009, 03:31 PM	#10 (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	Sorry about the hyjack... I don't have any stepdowns. I will, at some point, tap just the coil, fuel pump and starter for 18V and tap the rest of the car at 12V. My only casualties have been my dome lights which I will swap for LEDs when I get a chance. Cars are designed to able to take much higher voltage in case of alternator/regulator over voltage. Having said that, running at the higher voltage over time has overheated those dome lights. Do the tapped setup if you try this so you don't possibly let the smoke out of your ECU. Laziness can be expensive. Idle less and save the world! (to keep on topic) __________________ 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.