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How do I increase cooling capacity on Mitsubishi Challenger 3L Petrol 4WD

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Most standard produced vehicles run a 2 core radiator. However it is possible if you talk to a radiator specialist shop to get 3 core and they may even make up a 4 core for you. It will be extra of course but with more cores there is a greater coolant exposure to the air and the flow rate is cut down which gives the coolant more time to transfer heat to the air. If you have 1 electric fan then opt for a second fan unit to assist in cooling. having it running all the time with the standard fan cutting in when the thermostat opens. If you have a belt driven fan check the operation of the viscous fan hub as they bare re-nouned for failing to operate when needed such as at stop lights or when pulling heavy at high rpms (Up hill or loaded at slow speed in a low gear). Check with speed shops as there are after market fans with extra blades ( different pitched blades) that will pull more air through the radiator. Check the condition of the fins of the radiator as flaking fins will not cool the coolant. Just some ideas to think about.

Posted on Nov 11, 2014


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SOURCE: Mitsubishi Challenger overheating

Save yourself a big headache and get a new radiator!!

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