Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Is it more efficient to tax the stock alternator, or upgrade?

99metro · 03-20-2009, 10:38 AM

Keep the stock. The cost of upgrading outweighs the very minimal (if any) efficiency of an upgraded alternator. You'll still pull the same amps. I'd keep the stock til it fails. Cooks choice. Try the upgrade if the alternator is free.

03-20-2009, 10:38 AM	#4 (permalink)
99metro Master EcoModder Join Date: May 2008 Location: Briggsdale, Colorado Posts: 296 Wildfire - '96 Ford Bronco XL 90 day: 14.88 mpg (US) Blackford - '96 Ford Bronco XLT 90 day: 20.26 mpg (US) Y2k - '00 Honda Insight Gen-1 Insights Team Honda 90 day: 73.98 mpg (US) Redford V10 - '01 Ford F250 Lariat 90 day: 15.64 mpg (US) FireFly - '00 Honda Insight DX 90 day: 69.43 mpg (US) LittleRed - '00 Honda Insight Thanks: 3 Thanked 31 Times in 14 Posts	Keep the stock. The cost of upgrading outweighs the very minimal (if any) efficiency of an upgraded alternator. You'll still pull the same amps. I'd keep the stock til it fails. Cooks choice. Try the upgrade if the alternator is free. __________________