ECT/EOT too High? - Ford Powerstroke Diesel Forum
 
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post #1 of 7 Old 06-10-2012, 06:07 AM Thread Starter
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ECT/EOT too High?

I an on a trip from Montana to Southern Cal. and while towing about 9k to 10k up several 6% to 8% grades my temps were running about 235-EOT and 225-ECT at the highest> I am running Vivian's 50hp tow tune for the trip. If I take the hills at about 35 to 55mph then the temps seem to stay about 220-EOT and 210-ECT. Question is do these numbers seem normal or within range? I have installed a new oil cooler 20k ago and have 120k on the truck. My sig shows what I have done to the truck. When I am on the flats I run about 196-EOT and 186-ECT. Any concerns? I am traveling back to Montana in two weeks and would like some peace of mind before starting home! Thanks for all the help in advance!!!

POLARBEAR - 2003 F-250 SD CC SB FX4, 6.0, 3:73 gears, EGR & Cooler Delete, Bulletproof Oil Cooler, ARP Studs, A.R.E. Topper, Bedrug, Zoodad, 5" Magnaflow turbo back, K & N cold air intake, coolant filter, EDGE INSIGHT CTS, SCT X3 Tuned by Vivian, Energy Suspension Master Bushing kit, RiffRaff Boots, Blue Spring, 6.4 Banjo's, Fumoto Oil Valve, Fumoto water drain plug, Whistler 2000 Watt Inverter, DC Power 200amp Alt. Rebuilt FICM w/Atlas 40, Riff Raff Boots and counting.
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post #2 of 7 Old 06-10-2012, 07:06 AM
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I have seen my EOT reach that temp pulling 8-9000# trailer up some grades here in the west. But, as you did, backed off and let them drop. Non issue.

The ECT is a bit high. Your fan must have driven you nuts with the "roaring" at 225*. Mine is roaring at 218* and brings the temp down pretty quick. Does your Insight have a gauge for Fan Speed?

As for the 186*, that should be higher. Your T-stat could be on it's way out.

So, for piece of mind, change it.
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post #3 of 7 Old 06-10-2012, 05:32 PM
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Originally Posted by amdriven2liv View Post
As for the 186*, that should be higher. Your T-stat could be on it's way out.

So, for piece of mind, change it.
Was thinking the exact same thing. Mine did that previously, and since I installed a new thermostat the coolant never drops below 192 once the engine is warm.

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post #4 of 7 Old 06-10-2012, 06:14 PM Thread Starter
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Quote:
Originally Posted by amdriven2liv View Post
I have seen my EOT reach that temp pulling 8-9000# trailer up some grades here in the west. But, as you did, backed off and let them drop. Non issue.

The ECT is a bit high. Your fan must have driven you nuts with the "roaring" at 225*. Mine is roaring at 218* and brings the temp down pretty quick. Does your Insight have a gauge for Fan Speed?

As for the 186*, that should be higher. Your T-stat could be on it's way out.

So, for piece of mind, change it.
That is good news to hear about the towing temps. I'm going to see if Vivian @ Quick tricks can have the fan turn on at a little lower temp. I agree on the thermostat. Luckily I'm staying at an RV Park right next to a Ford dealer. I'll post my findings when I tow up to Los Angeles this week.

I will have to see if the Insight has a Gauge for Fan Speed. That would be nice.

POLARBEAR - 2003 F-250 SD CC SB FX4, 6.0, 3:73 gears, EGR & Cooler Delete, Bulletproof Oil Cooler, ARP Studs, A.R.E. Topper, Bedrug, Zoodad, 5" Magnaflow turbo back, K & N cold air intake, coolant filter, EDGE INSIGHT CTS, SCT X3 Tuned by Vivian, Energy Suspension Master Bushing kit, RiffRaff Boots, Blue Spring, 6.4 Banjo's, Fumoto Oil Valve, Fumoto water drain plug, Whistler 2000 Watt Inverter, DC Power 200amp Alt. Rebuilt FICM w/Atlas 40, Riff Raff Boots and counting.
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post #5 of 7 Old 06-10-2012, 06:15 PM Thread Starter
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One more thing. What temp T-Stat would you run?

POLARBEAR - 2003 F-250 SD CC SB FX4, 6.0, 3:73 gears, EGR & Cooler Delete, Bulletproof Oil Cooler, ARP Studs, A.R.E. Topper, Bedrug, Zoodad, 5" Magnaflow turbo back, K & N cold air intake, coolant filter, EDGE INSIGHT CTS, SCT X3 Tuned by Vivian, Energy Suspension Master Bushing kit, RiffRaff Boots, Blue Spring, 6.4 Banjo's, Fumoto Oil Valve, Fumoto water drain plug, Whistler 2000 Watt Inverter, DC Power 200amp Alt. Rebuilt FICM w/Atlas 40, Riff Raff Boots and counting.
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post #6 of 7 Old 06-10-2012, 06:45 PM
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If you can get you hands on the higher temp tstat that is better than oem temp.

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post #7 of 7 Old 06-10-2012, 06:48 PM
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i see no problem with those temps . 10 delta while towing all that weight and the fact it stays 10 is good

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