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2nd Gen Non-Engine/Transmission oil temp sensor location with oil flow

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Doing the gauge thing. Doing oil pressure and oil temperature. Puting the sensors on the end of a length of flex hose (maybe grease gun type, maybe braided etc ) 1/8" NPT ends.



Puting a needle valve in for the oil pressure so IF something happened would be minor oil loss. Thinking of using the 1/8 NPT port on top of the oil filter housing for the pressure sensing.



The temperature sensing. Talked to Westach and they recommended a flex line from the sensor to the engine tap for vibration etc. If you put a temp sensor at the end of a xx inch line that does not have a flow to it how will the temp sensor get a accurate reading? I went back and searched for any oil temperature installations and they all (217 search hits) seemed to be at the end of a static flow line or mounted on the oil port which because of the shaking seems to not be a good idea.



I looked at the turbine oil line today to see if it is a feasable place for the temp sensor. At the filter end the fitting looks like a straight thread and has a O ring sealer that fits into a campher to the filter threads. Did not seem to be a real common thing. The braided hose had a flat end to it that mated to a O ring in a circular grove in the fitting that goes into the filter top. Again not real common thing?



IF there is a location that I can get into that would have some oil flow to it so the temp sensor samples "current" oil temp, that would be ideal. Want to mount the oil temp sensor away from the engine if possible, then return the oil to the engine. Don't need much flow, and will regulate the flow if possible so if the line goes it is not a catastrophy.



Ideas?
 
Most folks put the temp sensor right in the oil filter port. I wouldn't be too concerned about vibration killing it, most temp sensors are much more compact and stouter than a pressure sender. I had a temp sender in in this location for 50k miles no problem, it was too boring though, always read about the same. Moved it to the intake air horn to measure intake temp, it's much more fun now.
 
The gauge needs to read from 0 - 150° at least for intake temps. The one I used was digital 0 - 300° in 1° increments. Ideal intake temps for maximum diesel efficiency is 50 - 90°
 
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