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Old 03-18-2015, 04:15 PM   #41
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It sure is fun! Nothing quite like having some kid in a Honda pull up revving his engine....the look of surprise as a *truck* Leaves him in the dust is priceless!

Our son keeps bugging me to get a new exhaust system and a intercooler for the turbos - claims it would ad 50-60HP to The Beast!
Once the factory warranty is up you can tune it for another 100 ft. lbs, too.
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Old 03-18-2015, 04:49 PM   #42
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It sure is fun! Nothing quite like having some kid in a Honda pull up revving his engine....the look of surprise as a *truck* Leaves him in the dust is priceless!

Our son keeps bugging me to get a new exhaust system and a intercooler for the turbos - claims it would ad 50-60HP to The Beast!
My 21 year old is the same way, he wants the exhaust mods that add horse to it and some more sound. My wife told us no
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Old 03-18-2015, 04:53 PM   #43
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I will do the torque boost but the pipes maybe not!
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Old 03-19-2015, 06:48 AM   #44
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I have the 3.55 screw 4x4 fx4. I average around 17 on my drive to work which is mostly interstate, 70mph. Overall it is around 16.

I can get 19 or 20 if I stay below 65, towing my 6500 lb trailer was around 13mpg.

I am really surprised to hear about the spring config for 20 inch wheels, which I have. You still lose a little on the tow rating with the 20 inch if I am not mistaken.


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Old 03-19-2015, 07:20 AM   #45
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One more thing, then I'll probably stop asking. What kind of MPG are you eco-boost 4x4 owners getting? Both towing and not towing. I doesn't really matter sense I've decided this is my best option.
My commute is mostly highway (about 30 minutes each way) and mine is showing roughly 16.5 MPG. I haven't reset it in awhile. Towing it drops down to 8-10 (depending on how fast I drive).

I have a 2012 with the 3.73 rear end in it though.
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Old 03-19-2015, 08:45 AM   #46
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I have the 3.55 screw 4x4 fx4. I average around 17 on my drive to work which is mostly interstate, 70mph. Overall it is around 16.

I can get 19 or 20 if I stay below 65, towing my 6500 lb trailer was around 13mpg.

I am really surprised to hear about the spring config for 20 inch wheels, which I have. You still lose a little on the tow rating with the 20 inch if I am not mistaken.


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I am not aware of any tow rating differences based upon wheel selection. Overall diameter of the tires is the same on the 18" and 20" options, meaning no increase in effective gear ratio. And the weight rating is the same- although I take the wheel weight rating with a grain of salt as they are given a rating to exactly correspond to the axle rating. The 20" wheels/tires do weigh a little more than the 18's from what I read, so they will use up some of your payload capacity.
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Old 03-19-2015, 08:46 AM   #47
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I will do the torque boost but the pipes maybe not!
That's me. I'm OK rolling with a 6 cylinder, but I am under no illusions that a piped 6 banger sounds good. I'll keep mine quiet, thank you very much.
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Old 03-19-2015, 09:22 AM   #48
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Good point, I am probably mixing up payload with tow capacity as far as the wheels.
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Old 03-19-2015, 09:34 AM   #49
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It has been a while since I looked, but if I remember correctly, there is a decrease in payload as well as towing capacity when you go from 18" wheels to 20" wheels. I traded in my 2011 5.0 with 20" wheels for a 2013 EB with 18" and remember that increased payload/towing capacity being one of the benefits (comparing EBs with 20" versus EB with 18"). My assumption for that is simply because the larger wheels use the low profile tires. And the low profile tires cant handle the same weight as the regular tires. It made sense in my mind just based on the fact that bumps, rocks, road debris etc can all be felt more in a vehicle with low pro tires versus regular tires

But all of that very well could have simply been unrelated to the wheel size and more directly related to something else
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Old 03-19-2015, 10:17 AM   #50
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It has been a while since I looked, but if I remember correctly, there is a decrease in payload as well as towing capacity when you go from 18" wheels to 20" wheels. I traded in my 2011 5.0 with 20" wheels for a 2013 EB with 18" and remember that increased payload/towing capacity being one of the benefits (comparing EBs with 20" versus EB with 18"). My assumption for that is simply because the larger wheels use the low profile tires. And the low profile tires cant handle the same weight as the regular tires. It made sense in my mind just based on the fact that bumps, rocks, road debris etc can all be felt more in a vehicle with low pro tires versus regular tires

But all of that very well could have simply been unrelated to the wheel size and more directly related to something else
I looked through the 2013 towing guide and can't find anything listing a difference based upon wheels. I have the 145" 4x4 SCrew with EB and 3.55 gears- there is only 1 weight listed and it is 9600 max towing. If you google 2013 Ford towing guide you can find the doc. My mothers truck is identical to mine except I have the 302A whereas she has the 301A XLT package and she has 18's instead of 20's. Her listed payload is ~100lbs higher than mine. This seems to be about right for the additional wheel weight plus options such as sliding rear window on mine. I therefore don't see that there is any reduction in GVWR or towing capability.
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