Date: Sun, 01 Jan 2006 11:27:26 +0000 From: Grunff <grunffnospam.com> Subject: Re: Curious Heater Problem
Steve E. wrote: > There is an error in darthpup's logic; he is asuming that flow thru the > radiator is at maximum. > (1) Heater core is designed to transfer heat to passenger compartment, not > cool engine that's secondary > (2) Radiator is designed to eliminate waste heat from engine. > > If flow thru radiator is not limited at this point then increasing coolant > flow thru it, rather than heater core, would increase heat loss. Assuming a > radiator is more effective heat exchanger for a given flow than a heater > core. Yes, this is spot on. What's more, if anyone needs more convincing, examination of the thermostat housing makes the situation very clear - you can see the port in the cylinder head which gets blocked above the high temp point. -- Grunff