Towing upgrades
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Joined: Aug 2005
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From: BC
Towing upgrades
I got a new Travel Trailer and am looking at upgrading the tansmission cooler and adding a deeper pan. The trailer has a GVW of 7500lbs. I have an 05 Scab XLT with the trailer package. I also have an Edge programmer. Are these upgrades worth doing versus the factory cooler? What coolers are the better ones to get, I was thinking about a cooler with an aux. fan.
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Joined: Dec 2006
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From: Joplin MO
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Joined: Mar 2001
Posts: 4,506
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From: Puyallup, WA
You need to know what your current trans temps are now before you think you need to 'upgrade' the OEM setup... 
The coolers on the 2004 + F150's are HUGE compared to the OEM units on earlier years....
If you have the 5.4, you'll have a pretty good sized cooler... Open the hood and look down in front of the rad... That's your trans cooler... I wish I had one that big!
Yet, my little cooler keeps my trans temps in check towing a #5000 TT.. The most it's been on my Autometer gauge is 210*. Well within a reasonable temp, considering I was going up a 6% grade in second gear going 50 mph pulling around 3500 rpms on a 90* + day with the A/C cranked in the cab!
(I take my temps from the trans output line too, so it's the hottest the fluid is getting.. Not just a pan temp, which is after the trans cooler...)
I was concerned about my actual water and trans temps, so I got aftermarket gauges and found that my cruising temps were in the 180* - 195* range for both, towing the trailer or not on the flat hwy.. I determined that my temps were within reason, and didn't need to 'upgrade'...
With your rig, you can get a 'scangauge' that plugs into your COM port and will give you actual readings, so that's where you should start IMO...
Mitch
The coolers on the 2004 + F150's are HUGE compared to the OEM units on earlier years....
If you have the 5.4, you'll have a pretty good sized cooler... Open the hood and look down in front of the rad... That's your trans cooler... I wish I had one that big!
Yet, my little cooler keeps my trans temps in check towing a #5000 TT.. The most it's been on my Autometer gauge is 210*. Well within a reasonable temp, considering I was going up a 6% grade in second gear going 50 mph pulling around 3500 rpms on a 90* + day with the A/C cranked in the cab!
(I take my temps from the trans output line too, so it's the hottest the fluid is getting.. Not just a pan temp, which is after the trans cooler...)I was concerned about my actual water and trans temps, so I got aftermarket gauges and found that my cruising temps were in the 180* - 195* range for both, towing the trailer or not on the flat hwy.. I determined that my temps were within reason, and didn't need to 'upgrade'...
With your rig, you can get a 'scangauge' that plugs into your COM port and will give you actual readings, so that's where you should start IMO...
Mitch