2006 Other Toyota Models tapping into the heater core?

  • 2006 TOYOTA
  • 4 CYL
  • FWD
  • 13,000 MILES
Hi, I was wondering if it was safe to tap into the heater core to circulate some of the heated water for other applications?

also, lets assume the engine being used has a force induced addon like a turbo or supercharger, if tuned properly, I should be able to keep the average engine temp about the same, correct?

my reasons for asking - i'm working on a Oxi-Hydrogen system to increase fuel efficiency and ultimatly rid the need for gasoline. My only wall blocking me is a heating system to keep the inner reactor temp between 160 and 200 degrees for optimum fuel production. I figured by tapping into the heater core, I could circulate some of the hot water into some thermal fins inside the reactor like a heatsink would do on an amplifier to disperse waste heat.

Edit - my vehicle is a 2006 Scion xB, basicly the same thing as the Toyota Echo, just a newer version of the same engine and diffrent chassis.
Do you
have the same problem?
Friday, December 21st, 2007 AT 4:41 PM

1 Reply

Hi there,

Your project sounds a bit sifi but as to your questions. You will have to "T" into the heater hose upstream of the tap and the return also "T' ed into the heater return to make sure positive circulation is always assured. As for the engine temp control, a heavy duty radiator may be needed, with the possibility of increasing the out put of the thermo cooling fans. This is something that you will have to experiment with as there will be no hard and fast rule for this. The formulas rather basic. Engine creates heat, cooling system dissipates heat to maintain optimum operating tempeture.

Good luck.

Mark (mhpautos)
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Saturday, December 22nd, 2007 AT 4:51 AM

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