Using load rated E tires on 2012 F150
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VT Chapter Ldr
Joined: Apr 2004
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From: Orange, Vermont
Using load rated E tires on 2012 F150
We are buying a 12 F150 crew cab 5.0 4x4. My dad has a set of snow tires from his crashed 05 superduty. I believe the SD tires are the same size. Anyone run load rated E tires on a F150? I would guess the ride would be a little more harsh but more responsive due to stiffer sidewalls.
Thank you
Thank you
Fleet Mechanic
Joined: Jul 2010
Posts: 1,509
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From: St James, Missouri
I run 275/70r18 load range E tires on my 12 super crew. You will have a slightly stiffer ride and slightly less fuel mileage due to weight of the tire. Also to meet the same load carrying capacity as a P tire at 35 psi you may need to run 40 or 45 psi. Toyo actually has a chart on their website explaining that.
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VT Chapter Ldr
Joined: Apr 2004
Posts: 96,116
Likes: 294
From: Orange, Vermont
I didn’t consider the heavier weight of a load E tire. How noticeable was the mpg drop? Winter will be hard to tell as there is more idling to warm up.
Tires won’t be free. Haven’t asked him yet. Has all seasons on it currently that I’m pretty sure my wife won’t go with.
Tires won’t be free. Haven’t asked him yet. Has all seasons on it currently that I’m pretty sure my wife won’t go with.
Tuned
Joined: Dec 2003
Posts: 297
Likes: 6
Good question. The 10 ply tires are tough and needed if you drive off-pavement on bad roads. And recommended by Ford to be 55 psi based on recent door sticker. That is on a 2019 F-150 FX4 that came original equipment with LT 10 ply tires. That 55 psi setting is rough and I try to keep TPS happy at 48 psi.
We have run 10 ply tires on a 2007 F-150 4x4 forever now with factory TPS setting at 35 psi. It has about 170,000 miles on it. We run those tires on this truck at about 44 psi and the ride quality is good enough. And they wear well. If you go to this level of tire, would suggest doing at least 40 psi. The ride will be rougher, the tires are heavier and probably matter some with mpg.
We have run 10 ply tires on a 2007 F-150 4x4 forever now with factory TPS setting at 35 psi. It has about 170,000 miles on it. We run those tires on this truck at about 44 psi and the ride quality is good enough. And they wear well. If you go to this level of tire, would suggest doing at least 40 psi. The ride will be rougher, the tires are heavier and probably matter some with mpg.
Lead Driver
Joined: Jun 2005
Posts: 8,465
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From: Calgary Canada
A family member runs a large fleet of trucks and he says it's 1-2 mpg drop in mixed driving. Now, there's a lot of variables, but that sounds reasonable to me.
Thread Starter
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VT Chapter Ldr
Joined: Apr 2004
Posts: 96,116
Likes: 294
From: Orange, Vermont
Good question. The 10 ply tires are tough and needed if you drive off-pavement on bad roads. And recommended by Ford to be 55 psi based on recent door sticker. That is on a 2019 F-150 FX4 that came original equipment with LT 10 ply tires. That 55 psi setting is rough and I try to keep TPS happy at 48 psi.
We have run 10 ply tires on a 2007 F-150 4x4 forever now with factory TPS setting at 35 psi. It has about 170,000 miles on it. We run those tires on this truck at about 44 psi and the ride quality is good enough. And they wear well. If you go to this level of tire, would suggest doing at least 40 psi. The ride will be rougher, the tires are heavier and probably matter some with mpg.
We have run 10 ply tires on a 2007 F-150 4x4 forever now with factory TPS setting at 35 psi. It has about 170,000 miles on it. We run those tires on this truck at about 44 psi and the ride quality is good enough. And they wear well. If you go to this level of tire, would suggest doing at least 40 psi. The ride will be rougher, the tires are heavier and probably matter some with mpg.
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Tuned
Joined: Dec 2003
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The TPS is based on factory setting which is on the plate in the driver's door. If it says 35psi and that is likely, then you should be fine running higher.
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Trailering
Joined: Oct 2012
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I've been running the BFG AT KO2 load range E tires on my F150 SC. Dropped about 2 MPG from the factory tires. Rides a little rougher. I have 55,000 miles on them and I've ran 35 PSI the entire time (except when towing my camper). Tread wear is even all the way across the tread. By their looks I should get another 15,000 miles before I hit the wear bars.
Senior User
Joined: Aug 2014
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My truck, which came with the HDPP, had OEM LT245/75R17 LRE tires on it. They were BF Goodrich Rugged Trail AT's. Finally replaced them with the more robust tread design BF Goodrich A/T LT245/75R17 LRE tires. No clue how much harder they ride since I've never had anything else on the truck. The tire pressure Ford recommended on the yellow sticker on the door frame is 55# front and 60# rear.
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VT Chapter Ldr
Joined: Apr 2004
Posts: 96,116
Likes: 294
From: Orange, Vermont
I've been running the BFG AT KO2 load range E tires on my F150 SC. Dropped about 2 MPG from the factory tires. Rides a little rougher. I have 55,000 miles on them and I've ran 35 PSI the entire time (except when towing my camper). Tread wear is even all the way across the tread. By their looks I should get another 15,000 miles before I hit the wear bars.
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