ECT/EOT Delta

[my04kingranch]

Is a 15*-16* delta anything to be concerned about if I was running the truck at 76-78 MPH. It had the same delta on flat land in FL as it did in the mountains In North GA. When in town & at lower speeds the delta was 6-9. It was in 45* weather. Truck has 35" tires & 373 gears. Truck had oil cooler & egr cooler replaced back at 85k miles, it now has 103k on it. Thanks for any info.

Thanks,
Don

[BubbaJ]

I run my truck at 80 all day on highways and I only see 9 degrees... I'd start saving up.


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[joe_r_dog]

Ya I agree. But does it change much on a wot run? Have u tried ba flushing the oil cooler and adding a coolant filter.. Its probably the casting sand cause the flush doesn't get it all

[my04kingranch]

No I have not back flushed the oil cooler yet. I have a coolant filter on order.

Thanks,
Don