Quote:
Originally Posted by TimMullen
The oil adapter that the oil lines connect to is a thermostat controlled adapter. It only sends the oil to the coolers as it heats up and gets warm enough to start to open the thermostat (just like the one in the cooling system). A cold engine is not sending the oil through the coolers. A hot engine is sending some (or all) of it's oil through the coolers. It's part of why the oil temperatures in the engine don't get as high as they do in most cars.
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Good call Tim. I didn't see a thermostat type valve when I had the engine out, but I didn't look 'that' close either. I'm still curious why they didn't use a sandwich type cooler on the car and use the coolant to cool the oil. The water lines are already on the car for the TRD type sandwich cooler. They're the ones that are simply U'ed right above the filter that are known for leaking
The U turn essentially goes nowhere and loops back around. I cut that section of coolant line out and replace with about a 4" piece of heater hose, which wa much cleaner and remove a place for leaks... It's almost like it was thought about and then abandoned. I wonder if TRD couldn't deliver enough sandwich coolers for the production run or something like that...???...???
Cheers,
Phil