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The mkiv Supra Owners Club

Auto oil cooler and ps cooler relocation


Tommyd16

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This is what is recommended in the Think Automotive (Mocal) catalogue:

Installing an oil cooler

In the case of the air to oil cooler, the oil cooler will only achieve results where a volume of air is passing through the fins. The amount of heat dissipated by radiation is negligible. In practice the most convenient position for the oil cooler is in front of the water radiator where a flow of air is guaranteed. Even in cases where the water cooling is marginal, placing the cooler in this position will have hardly any effect on water temperature. The sheer volume of air passing through the cooler ensures that the air is only heated a few degrees, not enough to affect the water radiator performance, and as the oil cooler is a more efficient device for extracting heat from the engine, the overall effect is helpful. However, where water cooling is marginal it is essential that the oil cooler be placed against the water radiator face, otherwise warmer air leaving the oil cooler will become turbulent on meeting air at ambient temperatures and will not pass through the water radiator. If placing of cooler and water radiator in close proximity is not possible then a duct of thin aluminium should be made to exclude the ambient air. If space is not available in front of the water radiator, due to an electrical fan, for instance, the cooler may be mounted behind the radiator and will still work well for the reasons already given.

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