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Fuel economy increase from the narrower tread section is a myth. It is negated by the increased deformation of the taller sidewall at the road. The overall rolling resistance is the same. Aerodynamics don't play a role. However, a taller tire can change effective gearing, lowering rpms at speed...

It's been years (decades) since single-rear-wheel pickup trucks ran 235/85-16s. Duallies, yes. But not singles. Times change. And if your truck was engineered for 235s, that's fine When it was engineered for 265s, why run a narrower tire? Makes zero sense to me It's an ExPo thing

"Choice" means that there are more brands, tread designs, and load ranges to choose from in a 265/75-16 than a 235/85-16 If you've decided you want a Cooper AT3, then you only have one choice in 235/85, an E-load However, you have three choices in a Cooper AT3 in 265/75-16: 51769 -...

No, not really. The sidewall of an E-load range LT tire is engineered for load-bearing, not lateral forces. A stiff sidewall makes for a less progressive breakaway when lateral grip shears. And by then the sidewall is folding, lifting the inside corner of the lateral patch, and allowing the...

Points to consider: There is a reason your Montero runs 265mm wide tires. It's a tall, heavy vehicle. Going to a 235/85 takes away nearly 3 inches of lateral contact patch (stability, handling) and transfers that load to sidewall flex (folding the sidewall under lateral load). Also, most...

I think you'll love it, and it will do everything you'll ask of it. And do it quite well. I also think you should consider purchasing an extended warranty

There is a whole lot more to towing than just a motor. A Corvette ZR1 makes a bunch more torque than a V10 TDI....when was the last time you saw one towing? A unibody, short-wheelbase SUV with a 7000# GVWR similar to a half-ton pickup is NOT going to compare to a 3/4-1 ton full-size truck over...

Agreed. What I meant about Raptor emasculation is removing it's purpose: it's a long-travel IFS desert runner designed to take washboards, ruts, and bumps at high speed. Not that rock crawling or drag racing is a 'lesser' purpose.... If you'd prefer a sold-axle rig for, say, rock...

Emasculating a Raptor by fitting a solid front axle is like lowering a Unimog in search of better handling

Solid front axle would completely defeat the purpose of a Raptor I'm not sure most ExPo'ers really know what a Raptor is and how it differs from a F150

I know I'm going to catch flak for asking, but why aren't you considering a Nissan Armada? Or Expedition/Navigator? Or Tahoe/Denali/Escalade/Suburban? The Armada is twice the tow rig a 4.7L Sequioa is, let alone a Land Cruiser 100. So is there a reason you're stuck Toyota only?

Note my "over operating range" disclaimer. Not peak, static numbers However, we agree that there is a 5-10% delta, with the advantage to diesel

Fine for you. Just don't give that blanket advice to someone who may not use their truck the same way as you. Like a heavy full size truck towing a trailer at freeway speeds.

Did he ask for input on changing tire size? I think you sidetracked his thread. Wind resistance from tire profile on a full size truck is not a big issue. Surface friction is GREATER on a 235/85-16 than a 245/75-16. I don't know why you don't understand that. It's about the total shape...

And many threads to refute it. The footprint to the road (area) of a 245/75-16 is smaller (wider but shorter) than that of a 235/85-16. The rolling resistance of the 235/85-16 is greater. UNLESS the taller diameter changes gearing in a beneficial way (some trucks might benefit, some might do...

You find honest, real data from the first extraction to the pump and plug, and I'll do the rest. Thing is, you won't find it. It's an argument you can set up either way. I've read plenty of politically biased articles that want to talk all day about how much energy it takes to make electricity...

You can run your E-load 10-ply tires at 30-40psi on your trip home and everything will be just fine. If you were loaded near tire capacity, that's altogether different.

What would be the benefit of going to a narrower tire? It's a serious question

What is the point of your post? To get us back on track comparing all of the V6 twin turbo regular cab short box half ton trucks on the marketplace today? Tremor. Done. Everything else is grapes And that's why the term is 'thread'

Agreed. I'm not addressing you specifically, more to the lurkers who will read this. No worries. This is where we disagree in theory, although you're likely right in application. Here's what I mean: The energy in a gallon of gasoline is roughly 114,500 BTU/gal The energy in a gallon of #2...