Diesel cooling options and ideas

[suroot]

How did you tap into the oil system? I've considered going straight into the oil pan with -10AN fittings and using a Tilton oil pump to circulate oil through a cooler completely separately from the engine's oil circuit.

Welded 10AN bungs into the back side of the pan. Did flow testing on the bench. Ignore the frothy oil air was introduced during cavitation testing. The pump is TurboWerx however based on various conversation with folks who use oil transfer pumps I will switch to a Marco M164-320-12 when the TurboWerx dies. I used Fragola 6000 Series PTFE due to the temps and reliability needed. Pump is mounted on the cross member for the Artec skid plate.

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[suroot]

I like the idea of a dedicated oil cooler for a oil. I am glad your solution works and keeps the oil temps down.

I do want to ask about EGT's; oil temp and EGT's are proportional to added work/load. My concern is you knocked the oil temps down, but are now cooking the turbo and down tubes running sustained periods of high boost. Have you monitored EGT's and whats the highest seen for how long?

I agree EGT matters, and oil temp does not tell the whole story.

My understanding is that the useful number depends heavily on where the temp is measured. A true pre-turbo/manifold EGT number is not the same as a post-turbo or pre/post-DPF number from the factory sensors.

The oil cooler is not intended to let me push the truck harder. It just removes heat from the oil under the same towing conditions where I was previously seeing 275°F+ oil temps.

I agree EGT monitoring is the next useful data point, especially on longer pulls. I’ll grab some actual numbers on my next tow and report back.

 

[caryt]

Suroot, how long ..miles/time have you had this installed?

 

[Madtom]

I have the CSF radiator. Cooling the water isn't an issue, but the intercooler won't like the oil's heat flowing into it.

Rubicon,

What temp drop did you see with the CSF? waiting for my warranty to expire before I add one... I know the increased cooling capacity is awesome... put one in my son's BMW X1 3.0 and temps dropped so much the heater wasn't warming up in the winter time when temps went below 45 outside.... got tired of the bmw radiators blowing every year.... after 3 put the CSF in it then no more problems.

 

[rubicon4wheeler]

Rubicon,

What temp drop did you see with the CSF? waiting for my warranty to expire before I add one... I know the increased cooling capacity is awesome... put one in my son's BMW X1 3.0 and temps dropped so much the heater wasn't warming up in the winter time when temps went below 45 outside.... got tired of the bmw radiators blowing every year.... after 3 put the CSF in it then no more problems.

I've only driven it once since getting the CSF radiator and tranny cooler installed. It definitely dropped the unladen flat ground highway cruising temperature from around 215 to 210. Turning on the radiator fan with the Tazer further dropped the coolant temp another 10 degrees or so, and then it quickly returned to 210 when I turned the fan back off, all at 70ish mph at 85ish ambient temperature.

I didn't put any load on it to see what affect it had on oil temp. Since the OEM heat exchanger is so small, I don't suspect there will be a big drop in oil temp, but if the coolant temp going into the heat exchanger is a bit cooler than before then I suspect there will at least be a little improvement.

The real test will be pulling my travel trailer up grades in the summer heat. I have a trip coming up, so I'll have that answer for you soon. I suspect I'm still going to be battling the P00AF turbo actuator issue as my primary weak link.

 

[suroot]

Suroot, how long ..miles/time have you had this installed?

5k miles 5 months.

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