Fuel Economy, Hypermiling, EcoModding News and Forum - EcoModder.com - View Single Post - Use engine block heater to warm Catalyc converter ?

Grant-53 · 04-23-2012, 12:54 PM

The circulating block heater may reach 150 F; a catalytic converter operates at 1,000+ F. The block heater may save fuel by allowing a leaner mixture sooner and the cat will have less fuel to burn to reduce HC emissions.

04-23-2012, 12:54 PM	#15 (permalink)
Grant-53 Master EcoModder Join Date: Feb 2010 Location: Elmira, NY Posts: 1,794 Thanks: 320 Thanked 361 Times in 300 Posts	The circulating block heater may reach 150 F; a catalytic converter operates at 1,000+ F. The block heater may save fuel by allowing a leaner mixture sooner and the cat will have less fuel to burn to reduce HC emissions.