With the C&R dual-pass radiator the oil cooler is placed in the mid-tank. Hence, the engine coolant has already gone through 1/2 of the cooling cycle. By the time the coolant, which exits the engine at thermostat temperature, gets to the mid-tank it has cooled significantly. This keeps oil temperatures low on cool days.
It's the same for both the previous 406 and the current LS. On warm days while street driving it takes quite a bit to get the oil into the 220* range. On track days it performs very well. Having the cooler in the return tank would help keep oil temperatures up.
David,
The inlet/outlet are on the RH side and the oil cooler is on the LH (pics on website). I think the Mocal type could be used with only one extra hose in my application. I've thought of a simple bypass as well. Any hints on a good design/parts?
Though I like the design of the ATS pan it would have been really nice to have a sandwich-type thermostat adapter, even if it meant having to 90* the filter to make it work. Having the thermostat built in to the radiator heat exchanger would also be kind trick but a nightmare if servicing was needed.
Last edited by CarlC; 02-06-2009 at 09:34 PM.
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