towing question
Logistics Pro
Joined: May 2011
Posts: 4,832
Likes: 668
From: Maine
Under 200* is prefered.... over 225* and you will probably want new fluid.
These trucks have tiny tranny coolers.... your best bet if you do a lot/heavy towing is to upgrade, either to an aftermarket or a 6.0 cooler.
Hopefully I will get my 6.0 cooler this summer.
These trucks have tiny tranny coolers.... your best bet if you do a lot/heavy towing is to upgrade, either to an aftermarket or a 6.0 cooler.
Hopefully I will get my 6.0 cooler this summer.
9 ECHO 1
Joined: Aug 2009
Posts: 12,467
Likes: 58
From: Missouri
Around 200*. Much more than that look at getting a new cooler or new fluid.
Dont rely on the stock gauge either. Its not a true gauge, it only moves when the trans temp reaches "Benchmark" temps, see pic.
Dont rely on the stock gauge either. Its not a true gauge, it only moves when the trans temp reaches "Benchmark" temps, see pic.
Laughing Gas
Joined: Aug 2003
Posts: 836
Likes: 7
I have a 99 7.3. I added the 6.0 a few months ago and can't say what my temp was before because I added the trans temp gauge at the same time as the 6.0 cooler. There is a major difference in the size of the two coolers. I can say towing my 10,000lb TT in fairly cool weather about 55 degrees outside temp, I did not get over 125 with the new cooler. About 1500 miles with several passes.... What year is your truck? The 99 is the one year they did not route the trans fluid through the radiator, so if you have a 99 I would get a larger cooler. Do you know what your trans temp is now?
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Lead Driver
Joined: May 2007
Posts: 5,613
Likes: 9
From: Flagstaff, Arizona
