Compression Ignition Addict
Join Date: Jan 2011
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how hot is too hot?
this weekend pulling our small pop-up camper (3500#) at 72-74 I was seeing EOT as high as 230, ECT as high as 216. The truck indicated an air temp between 89-93. The indicated air temp appeared several degrees higher than normal this weekend, which was unusual. This is the highest I have seen, and last summer was a scorcher.
In general the delta stayed at or below 15, at times it was as high as 21, but this was when going down hills and the ECT quickly dropped.
My around temps will often hit EOT 220, ECT 210 with a trailer.
I also noticed that my A/C would turn quickly hot as soon as we dropped below highway speed.
Truck ran like normal, no loss of power etc. TFT temps were good the whole time. Idles slightly rough when coming off the highway at those temps, but settles down quickly.
Running Rotella T6 with archoil additive. Last 1/4 of the trip was on B99 and the truck did idle better with the bio - it always does.
So question is: anything here to worry about? Seems awful hot, but then again, it was pretty hot and humid this weekend.
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