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California98Civic · 03-26-2018, 11:15 PM

Thanks guys. I want to switch it because I find it to be a bit lazy when there are spikes above 200*F. I also think it could be an FE strategy to switch it on during DFCO runs. A long DFCO will dramatically lower coolant temps. But short DFCO runs have little effect. If I could turn on the fan, I would get "free" cooling. I say free because I grid charge my deep cycle battery and mainly run the alternator during DFCO.

03-26-2018, 11:15 PM	#4 (permalink)
California98Civic Cyborg ECU Join Date: Mar 2011 Location: Coastal Southern California Posts: 6,299 Black and Green - '98 Honda Civic DX Coupe Team Honda 90 day: 66.42 mpg (US) Black and Red - '00 Nashbar Custom built eBike 90 day: 3671.43 mpg (US) Thanks: 2,373 Thanked 2,172 Times in 1,469 Posts	Thanks guys. I want to switch it because I find it to be a bit lazy when there are spikes above 200F. I also think it could be an FE strategy to switch it on during DFCO runs. A long DFCO will dramatically lower coolant temps. But short DFCO runs have little effect. If I could turn on the fan, I would get "free" cooling. I say free because I grid charge my deep cycle battery and mainly run the alternator during DFCO. __________________ See my car's mod & maintenance thread and my electric bicycle's thread for ongoing projects. I will rebuild Black and Green* over decades as parts die, until it becomes a different car of roughly the same shape and color. My minimum fuel economy goal is 55 mpg while averaging posted speed limits. I generally top 60 mpg. See also my Honda manual transmission specs thread.