Quote:
Originally Posted by RH77
Excellent point. In my application, the trans cooler is essentially built into the radiator. I have it blocked and coolant temps get high -- I should also worry about the trans.
I'm also running about 80% synthetic fluid, which should hopefully handle the extra heat.
Trans temp is that one setting that's missing from the SG-II for monitoring. It may be an X-Gauge add-on, but I don't believe there's a sensor for it.
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Trans temp is a Ford-specific X gauge so I can see it on my car. Typical highway cruising is about 176* or so. Hills wreak havoc on it. I took a road trip through Pennsylvania back in June and was seeing temps as high as 230*.
And you are right to be concerned about the effect of the grill block. I had a full lower grill block on over the winter, and when the weather started to get warm coolant temps were about 5-10* above normal, but trans temps were up about 25*. What brucey pointed out is right on, with the coolant and trans fluid sharing the radiator the coolant is actually heating the trans fluid to an extent.