The most important reason you need to keep the heater loop is to bring the hot water from the top of the engine to the sensor side of the thermostat. Without that loop, the thermostat will not open allowing cool radiator water into the engine.
Bob
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The most important reason you need to keep the heater loop is to bring the hot water from the top of the engine to the sensor side of the thermostat. Without that loop, the thermostat will not open allowing cool radiator water into the engine.
Bob
818S #22 Candy Blue Frame, Front Gas Tank, 2.5L Turbo, Rear radiator, Shortened Transmission, Wookiee Compatible, Console mounted MR2 Shifter, Custom ECU panel, AWIC soon
My Son Michael's Turbo ICE Build X22 http://thefactoryfiveforum.com/showt...rts-818S-Build
My Electric Supercar Build X21 (on hold until winter) http://thefactoryfiveforum.com/showt...e-Build-Thread