Compression Ignition Addict
Join Date: Jun 2012
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Some temp questions
I've got a DIY Sky/Ski designed system; THANKS JASON! aluminum TIH, hotfox pickup, 40-plate at the engine, bosch 12v aux. pump, and heated filter.
I have an Isspro temp sensor mounted on the hot supply line, right out of the passenger side of the block. I also have an Edge evolution that I'm using just to run gauges. My engine oil temp EOT always takes longer to come up to temp than the coolant temperature. I never see higher than 185-190 deg. on the temp gauge pretty much no matter what I'm doing, even if the outside temp is in the 90's. Engine oil temp doesn't go much over 215 on a long hill, but I haven't towed anything more than a few thousand pounds; usually it's just a lot of wood in the bed. Also, I don't know where the sensor is that the evolution is monitoring oil temperature--if it's in the pan, no wonder.
I turn on my veg at 160-165 F, and have no problems with smoke as long as I'm not sitting with the truck idling. I have great power, and never have more than a 3-5psi fluctuation of my gauge ( I have set both pressure regulators to about 65psi). My veg return line ties back in behind the pump intake, so I have a loop and don't lose any heat through the return line.
The weather has been getting a LITTLE cooler--not much; like low 50's at night, but I'm needing longer to come up to temperature, and if there's a long descent, even if the coolant temp is 190F at the top, I may be in the high 140's by the bottom. I have no idea what temp thermostat I have in there, but even if it's a 185F one, shouldn't it stay more stable? I mean, we're talking 50 degree temps here, in Virginia, not the midwest or Canada. Maybe the thermostat is stuck open? I didn't think I'd need the 203F stat in these mild temps.
So, my real questions are as follows:
1. I guess I need the 203F thermostat?
2. Where is the oil temperature sensor that the Edge Evolution is monitoring?
3. Does everyone have a big difference in coolant and oil temps?
4. Will a different grill or cover help me that much?
1996 F250 eclb, 4x4, 7.3L PS
420,000 mi and counting
Viair 444C/6g air tank on frame, Hadley air horn, Hella auxiliary reverse light, DIY WVO conversion; Efuel, dual FuelLab FPR's, 90g RDS tank, aluminum tube-in-heater hose, hotfox heated fuel pickup, copper coil-wrapped filter, 40-plate FPHE, auxiliary coolant pump, 2000lb winch-crane bolted to the frame. Ranch hand front bumper.