Fresh oil cooler, High Deltas? - Page 2 - Ford Powerstroke Diesel Forum
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post #11 of 14 Old 11-07-2015, 06:01 PM Thread Starter
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got my 7.3 fan clutch installed.

i don't get it. at all. But everything so far seems fine.
It's hard to do the test in San Diego, lots of hills and everyone drives 75mph.
So I just romped on it, 75-80, moderate engine load, etc.

Averaged 6-9* delta
Max was 13* and that's running 80mph and immediate decel dropping my ECT.

Before oil cooler deltas were 18-20*... so I2sure it was plugging, but probably not as bad as I thought. ECTs did climb though.
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post #12 of 14 Old 11-07-2015, 07:04 PM
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When using the cleaners its not unexpected fro some crap to get loose and clog the new cooler. If your 10 degrees or under at 70 unloaded I wouldn't sweat it. If you got a warranty I would have them put in a new cooler


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post #13 of 14 Old 11-07-2015, 09:14 PM Thread Starter
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Originally Posted by powerstrokeshellback View Post
When using the cleaners its not unexpected fro some crap to get loose and clog the new cooler. If your 10 degrees or under at 70 unloaded I wouldn't sweat it. If you got a warranty I would have them put in a new cooler
thanks, i think all is well. i can't wrap my head around how the fan fixed anything. Oil is water cooled, water is rad cooled... ECT has stayed about the same, maybe 2* lower. But EOT has improved dramatically.

and thanks for your patience with the Gryphon.
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post #14 of 14 Old 11-09-2015, 08:27 AM Thread Starter
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Thanks again guys, I'm pretty sure it's completely fixed. Ran her to 95mph up about 1/2 mile at maybe 4-5% grade, hit 13* delta max and dropped to around 8 once I let off.
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