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Old 09-19-2017, 05:13 PM   #51 (permalink)
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FWIW, my 2015 Subaru WRX has an oil-to-coolant heat exchanger, and the oil temperature tends to lag the coolant temperature by 10 to 13 degrees C.

Edit: The heat exchanger will also increase the time it takes to get to full coolant temperature. Most modern cars have warmup-fuel enrichment tables based on coolant temperature that make the car run richer with lower coolant temperature (up to a warmish temperature of 50-60C usually). It shouldn't be a huge effect but it will somewhat mitigate the gains from warmer oil temperature.


Last edited by twj347; 09-19-2017 at 06:26 PM..
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Old 09-20-2017, 11:03 AM   #52 (permalink)
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Well scratch that idea.
The header I am going to use on the high compression 8L is hitting on the oil filter and
So the next plan is a remote oil filter kit, but still plumb the oil through the HX.

I have a carburetor, it runs leaner till the engine warms up.
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Old 09-22-2017, 02:57 PM   #53 (permalink)
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Consider using a twin head w/bi-pass filter mount.
--- would a fule filter heater from a Cummins be applicable on oil system
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Old 09-22-2017, 06:50 PM   #54 (permalink)
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A twin remote oil filter is on its way as of the 20th.

The oil system has so much flow and mass in the system that I don't think a fuel heater would do anything. The oil is going to go through that heat exchanger before it goes to the filters.
The coolant has the 240v 5,500w heater and the oil pan has that 120v 1,200w heater element that I will run at 250 to 500 watts.
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Old 11-29-2017, 02:43 PM   #55 (permalink)
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Any update on the heating setup?
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Old 11-29-2017, 05:19 PM   #56 (permalink)
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All the parts are in I to custom make a stainless steel single piece 1/2"mpt to 3/4"mpt 90 elbow adapter that stuck out far enough to clear the engine.
I also have not had time to work on it much.
Maybe this weekend I will get to hook everything up and prime the oil system.
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Old 12-01-2017, 02:17 PM   #57 (permalink)
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For adding an oil cooler/coolant heater, can't get much easier than this OEM part from a Honda Insight (2000-2003 only IIRC).

https://www.hondaautomotiveparts.com...-+OIL+STRAINER

Parts #10 and 11 on the diagram.


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