Re: seriously thinking about doing a diy coolant filter
I think there is coolant flowing through the heater core even if you are in max A/C.
I never saw a valve in there when I replaced my heater core.
There is a mod where you can install a valve. I think Bob at Dieselsite has one.
Early '99 F350 DRW, Excab, LB. Auto. 2WD, 2010 bed, 2005 headlights, 298K, on my way to 1000K.
H2E, 238 Hybrids, Adrenaline oil, Tuned by Tony. DIY Regulated Return.