Ok, I have to add my two cents in. I can not imagine why you would want to go to Load Range E tires on an F-150. There is no way you can load the truck enough to require that range tire. Vic
It's all about sidewall strength and flex. While ride will differ slightly between the D and E load range tire, for towing I would go with the stronger sidewall. I towed my '77 Excella 500 31' from AZ. to TN. with C range LT265-75-16 tires and the trailer was shifting back and forth every time a semi came by. The same Reese WD hitch was used on a later 2500 so the hitch had nothing to do with it. I also experienced this when I fully loaded the same K1500 truck with roofing shingles. A friend following me saw the tires flexing back and forth the truck was so loaded down.
__________________ Craig
AIR #0078
'01 2500hd ext. cab, 8.1 litre gas, 5 sp. Allison auto
3.73 rear end
Mag-Hytec rear diff cover
Amsoil Dual by-pass oil filtration system
Amsoil synthetics all around
265 watt AM Solar, Inc. system
There is an awesome publication that Ford puts out each year. (Or did the last time I checked out towing in 1997) It iis really a shet of paper that is in the dealership. It is large so it was folded several times. I believed it was titled trailer towing and camper loading.
It listed options needed to do a certain load and slide in camper requirements. In this day of the web I get the same data on line at a Ford Fleet site. Here is the link:
That link is not the home page, rather the towing guide. This is a neat site that Ford puts out. Not sure if it's going to give you the tire wheel data and you may want to seach it. It is a huge site.
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__________________
1966 Mercury Park Lane 4 DR Breezeway 410 4V, C-6, 2.80 - towing a - 1966 Overlander International Twin Bed
1996 Lincoln Mark VIII Diamond Anniversary 4.6L (275hp), 4R70W - 1990 Ford E 150 5.7L, AOD, 3.73 ____________________________________
Phoenix ~ Yeah it's hot however it's a dry heat!
Hi all, I was reading this thread and a couple questions came to mind.
I have load range D on my truck. The local tire shop wanted to sell me E. I told them the ride is too rough with load range E tires. He told me to deflate them a bit and it would improve the ride . I thought at this point he is all wet.
My truck originally was spec'd new with E. I have had D on it for 5 years and have had no problems. 60k miles of trouble free tire wear.
Are the tire shops now trying to push the load range C and E tires ? Because I had to order the D range tires.
Should I buy load range E tires and run them at a lower than specified pressure ? which seems a bit weird to me ?
Even with the D range I am over the GVWR carrying capacity on the door jamb after all the math is done.
I have load range D on my truck. The local tire shop wanted to sell me E. I told them the ride is too rough with load range E tires. He told me to deflate them a bit and it would improve the ride . I thought at this point he is all wet. .......Should I buy load range E tires and run them at a lower than specified pressure ? which seems a bit weird to me ?.....Just wondering what everyones thoughts were.
Chris, the manufacturer of your truck has stipulated load range E tires, and the Rubber Manufacturers' Association has stated (posts 37 and 38 of this thread) what pressure should be used at different loads on load E tires. Both these organisations employ skilled engineers to make these statements for our safety. Who are we to dispute these? Your attorney will be pleased you have complied with these statements if one of your tires blow, and a wreck results.
Nick.
__________________
Nick Crowhurst, Excella 25 1988, Dodge Ram 2500 Cummins Diesel. England in summer, USA in winter.
"The price of freedom is eternal maintenance."
Thanks guys, I'll be going to the tire shop today. Since I had them order the D range I'll probably stick with them. But I will ask if they don't mind switching .
New to this website. Ready to replace all tires on our 2000 30' Excella as the tires were manufactured in early 2003 (D-load Marathons/225 75R 15). Have only put about 12,000 miles on current tires with no problems but know that it's time to replace them. Hearing/reading about all the Marathon horror stories and wondering what brand(s) to consider??? Have also heard that the new/redesigned Marathons have an S in a circle on them - will check ours the next time we go to storage area (under cover in open front building). Some say that the new Marathons are not an issue???? We are told that some Airstreamers are switching to Towmaster (Greenball). Any comments on that brand? We are dual axle and about 8300# loaded - any comments on using E-load tires?
New to this website. Ready to replace all tires on our 2000 30' Excella as the tires were manufactured in early 2003 (D-load Marathons/225 75R 15). Have only put about 12,000 miles on current tires with no problems but know that it's time to replace them. Hearing/reading about all the Marathon horror stories and wondering what brand(s) to consider??? Have also heard that the new/redesigned Marathons have an S in a circle on them - will check ours the next time we go to storage area (under cover in open front building). Some say that the new Marathons are not an issue???? We are told that some Airstreamers are switching to Towmaster (Greenball). Any comments on that brand? We are dual axle and about 8300# loaded - any comments on using E-load tires?
The Marathon problem was years ago.
They are fine.
Using "E" rated tires is a good way to possibly split the wheels, and to cause several different damages to the trailer.
Airstream trailers love a soft ride. A rough ride as you propose, is almost the same thing as using solid rubber tires.
If "E" tires were better, Airstream would have installed them.
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. I thought at this point he is all wet. 
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