Has anyone installed an oil cooler on a alloy m117/116? On the iron block there's 2 fittings next to each other right here. Green is pressure I'm fairly certain since the alloy 3.8 I have had a pressure sensor in it. The green and large yellow appear to be on the same circuit though I haven't opened it up yet. Maybe the one up above on the front and the one down on the side? I wonder if the oil is restricted enough that the pump bypass just is used less when the oil cooler is hooked up, so could it just be plumbed to return to the pan? On the 4.5 it makes no oil pressure difference when the plumbing is plugged or to a cooler, which leads me to believe that it's not pumping the full oil flow through the cooler. I have never investigated the oil flow progression on a dissasembled engine so I'm really not sure.
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03-03-2023, 06:00 AM
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