Just received my AT3/W LT in 275 70 18 for my 4th gen. Getting them mounted Tuesday, tires look great and got an excellent deal on them.

The max pressure on these in p-rated fashion is 55psi. So I don't think 40 is overinflated especially when we're only talking 2 psi between what most people are running and the 40 I stated.

Nonetheless I dropped them to 38 and surprise surprise, I can't tell any difference in anything; bulge, MPG, or ride quality. Either way, thanks for the input but I don't think 40 is too high for a tire rates to 55 max pressure. I think we can all agree the recommended 32 is waaaaay too low.


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I'm about to buy a set of these, but can't decide between the P-metric and the LT (stock 265/70/17 size)...wish they made them in LT-C load. Probably going to call Falken and see if they have a recommendation, but have any of you run the P's off-road and have either good things to say or problems you've had as a result? Being in CO, we have a lot of rock to deal with, but if I can avoid it, I don't want to deal with the weight penalty of the E-load. Also, the silica rubber compound is only available on the P-metric, and is another reason the LTs have deeper tread depth...the P's apparently wear better than the LT compound.

Just spoke with a rep at Falken. They confirmed 2-ply sidewall construction on both LT and P, with a bit more robustness on the LTs. Recommended tire pressure on the P was the standard 32, but possibly as high as 36 psi. For the LTs, the guy told me 48-49 psi, which seems a bit high. As much highway as I'm likely to run and unknown how much off-road I'm going to do, still leaning towards P, but really not sure.

looking at buying a new sr5 or trail. These seem to come with M+S, nothing special tires. considering swapping them out for something better in snow/ice. I have had good experience with M+S rated Falkens on a pickup truck, so I'm good with that brand.

Do you know if these tires have the mountain snowflake symbol that designates them as a winter/snow/ice tire or are they an M+S ????

How about hard highway driving noise ?

I've set a time Saturday morning to get a set of the 285/70/17 P installed. I like the silica compound (which should help in wet conditions) which you don't get in the LT. The less weight per tire is also a plus.

If you are going this route check out discount tire's ebay store. $100 off for a tire purchase of $400 +.

These are severe snow rated.

That was another thing the Falken rep told me... The LT version does have the silica rubber compound, but the P version has 20% more silica-rubber than the LT version. The additional silica is apparently to help the P version have the same mileage warranty as the LT with 4/32nds less tread depth.

So after going back and forth with the place I bought my tires from, and a call to Falken, they replaced my front tires to see if the shaking at 60 MPH would stop. Well I still have a shake at 60 MPH, and I convinced them to replace the rear tires which will be done on Wednesday. We will see if this helps but I am thinking it is the vehicle. I have talked to 2 other people with the same shake at 60 MPH and they were running different tires. Anyone else heard of this?

I had a chance to run these tire a couple weeks ago on the highway in a torrential down pour and the tires never skipped a beat. At 55 Mph I never had a bit of hydroplaning. It is getting colder here in NH so hopefully I will be able to test the snow traction soon.

And you think the tire pressure is predicated on bulge, MPG or ride quality? Tell me, what is your justification for running 40 psi? Calculations? Data?

What is YOUR justification for running less?

I have done the chalk line test and my runner rides perfectly even at 40. So I'm good at 38 but whoa, 40 is ludicrous? Come on...

Besides, I said I'm down to 38 AND thanked those who made that recommendation. So what's the issue here?

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Well geez....Can't they update their website then haha.

I've done a good amount of off roading, but it's Illinois where it's mostly just hard packed dirt and mud. I'm perfectly content with the P-Rated version since they seem to be a good balance between road manners and my off road necessity.

All of that being said, if you think you'll be encountering a lot or even a fair share of rock, the LT will give you some peace of mind that may be worth the money. I would have gone LT under those conditions. I'm not in the least bit disappointed in my choice so if you won't see excessive amounts of rock, don't hesitate on the P series. Your call though.

Just want to add that after about 5,000 miles these tires are an absolute pleasure both on and off road. I've picked up a little road noise but nothing bad at all.

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Calculations. Engineering. Design. Analysis. Tables. Recommendations from people who design this stuff.

I didn't say you were good at 38. I didn't say 40 was too much. I just wanted to know WHY you picked 40. Seat of the pants engineering? Just a feeling? Looked good?

That last one seems to be most people's answer. Oh, way to redirect. I asked you a question and you just turned it around. I answered your question above though.

I'll make sure to take your future posts to heart.

You did ALL those things? Do you work for Falken's R&D department?

I decided on 40 after the chalk line test. Seemed like the best balance plus I was towing trailers so I prefer to air up and found it to be a good compromise. After reading through here, including your post, I decided maybe 40 was too high for daily and dropped to 38. Chalk line is still even and the ride may be marginally more forgiving. 32 is way too low in my experience. 38-40 seems good but I have no issue at the current 38. If anyone isn't sure, chalk line your tire and pick what works for you. I'm apparently within 2 psi of Falken's recommendation. Now we're splitting hairs.

At the end of the day, this is like arguing which oil is best. You have to pick what's right for you and call out the people dispelling bad info for others. Even at 40, it's far from the rated max pressure so it's not like I'm telling people to use cooking oil in their truck. Your mileage may vary.


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