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Maximum ECT/EOT Delta on Desert Crossing?

2K views 8 replies 6 participants last post by  Dave 
#1 ·
Heading north from CA through Las Vegas/St. George/Salt Lake this week and should see temperature approaching 100F. At what ECT/EOT delta should I pull over and quit? As I understand it, at operating temperature the EOT should not exceed 15° above the ECT.

Can these be exceeded for short periods such as uphill? If so, by how much? How long?:eek:hnoes:

Truck is 2003 6.0 with manual transmission, 94k miles and original EGR cooler.

Recent service (3-2014) with oil, fuel and air filters, synthetic oil, Zerex G0-5 coolant and upgraded coolant cap. I have the ScanGuage II.

Thanks for the help.
 
#2 ·
Since you are saying you monitor your delta. Just make sure the oil temps stay below 240 on a grade. The delta thing is just an observation for when the road is level giving you a status of your oil cooler.

When I passed through from Sacramento to the Salt Lake City last year 100 degree air temps coolant temps got hot (210 and 230 for oil) and the radiator fan would kick I and drop everything back down
 
#4 ·
When I passed through from Sacramento to the Salt Lake City last year 100 degree air temps coolant temps got hot (210 and 230 for oil) and the radiator fan would kick I and drop everything back down
This is the very reason why Im giving up on the 6.0 fan and going to bpd's 7.3 fan mod. The manual fan mod is a big help but Im still not 100% happy.
 
#3 ·
If youre towing the delta is irrelevant.
 
#6 ·
Take 2 valiums and forget studying your deltas. If they aren't a problem right now, there a 99% chance it won't be a problem next weekend. Do you really think that the truck can't handle 100°F weather??
Pull over when your oil hits 253°..
 
#7 ·
Run it till it dies, then get on the org And bash ford...oh wait

Joking, you'll be fine. Shouldn't be anything but a fart in the wind


Sent from AutoGuide.com App
 
#9 ·
253 is when the truck will defuel.

There is no set temp the fan kicks in on the 6.0. It kicks in based on multiple variables
 
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