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Old 06-08-2020, 02:40 PM   #1
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Tires for a Tundra

I have read in several entries in this forum that selecting an E rated tire is recommended as a safety enhancement. I contacted Toyota but they (my local service department) said that Toyota only stands behind the tire size and spec that came with it. I could void my warranty if I put on an E Rated tire, a 10 ply.
So my question is whether the E Rated tire is an improvement that is worth the money and possible loss of warranty protection from Toyota?
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Old 06-08-2020, 03:35 PM   #2
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E Rated tire upgrade

Find a reputable tire shop. Have them take a look at your rims. They will be able to tell you IF you can mount an E Rated tire on your factory rims. If they can not take an E Rated tire your looking at aftermarket rims that are properly rated.

If they are E Rated mountable it would be a nice upgrade. Stiffer sidewall and 10 ply construction is more capable of handling loads than the passenger car tires that your Tundra came with.

However, there are trade offs. Stiffer ride, higher cost (remember to get a matching spare) and sometimes less selection of available sizes.

Of course Toyota is only going to recommend what the truck came with as original equipment. Keep in mind that going to an E Rated tire does not change the payload/cargo/axle ratings specs.

We have a 2013 Ford E150 XLT Premium van with Max Tow/Max Payload Pkg that came with E Rated from the factory. We like the Michelin Defenders LTX M/S. They are now being replaced by a tire they call the "Agilis". If you do go with an E Rated tire you might take a look at them. Happy travels.
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Old 06-08-2020, 03:38 PM   #3
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Chris there are some seriously smart tires gurus here. I have a 2016 Tundra towing a FC26RBT. That's about 800'ish on the ball leaving in the vicinity of 500 lbs capacity for the bed. The LT275/70R18 LTX A/T2 tires spec'd on these trucks are made for this. Why mess with it?
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Old 06-08-2020, 03:58 PM   #4
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Forget the 10 ply and stick with the stock tires.
The 10 ply won’t increase your load capacity.

I just replaced the tires on our Tundra last year and the tires on our Trade Wind this year.
I have 900# on the ball and with stuff in the bed I’m still under the axle rating.
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Old 06-08-2020, 04:12 PM   #5
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I have a 2018 Tundra Sport, I replaced the factory tires at Costco with some Michelin Defenders LTX M/S (LT275/65R20 125/123R), the Sport has the 20 inch wheels. I needed 10 ply for work, definitely more tire that the factory ones, but still a nice ride. There will be plenty of opinions on tires...
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Old 06-08-2020, 05:36 PM   #6
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The OEM tires have a load index of 114 which is 2640 lb max and GVWR is 7200 so you have 20% extra load capacity minimum. 15-20% extra is very close to optimal for both tire life and cornering stability so I can understand Toyota's choice for those tires. They seem nearly ideal to me. I would not suggest deviating much if any. I would inflate the rears to max when towing for both handling and temperature management. I'd keep the front at or near recommended.

Edit: this presumes you are not exceeding GVWR.
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Old 06-08-2020, 05:45 PM   #7
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I am with Too Tall on this. I have them on my 2017 and they work fine for me. On my 2008 I did have one instance of a bit of squirrelly feel coming down a slight grade. I had on the originals, which I can't remember what they were, but they were P rated. I put on some LT tires and everything got better.


I am towing a 25FB with a pretty heavy tongue. The Michelins I have now are plenty stiff enough to provide a safe and comfortable ride. Upgrading to a heavier tire is not in my future.
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Old 06-08-2020, 06:15 PM   #8
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I got rid of my Tundra stock tires and installed the Michelin Defender LTX tires. Gives peace of mind during towing our FC25FB. Don't forget the spare too. Will be upgrading the Airstream to 16" Michelin tires next year.
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Old 06-08-2020, 06:36 PM   #9
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Quote:
Originally Posted by Martee View Post
I got rid of my Tundra stock tires and installed the Michelin Defender LTX tires. Gives peace of mind during towing our FC25FB. Don't forget the spare too. Will be upgrading the Airstream to 16" Michelin tires next year.
Michelin LTX's reliability are not anything to write home about. Have you objectively looked at the data or are you going on word of mouth?
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Old 06-09-2020, 10:37 AM   #10
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125,000 miles on my ‘14 Tundra... 30,000+ with the AS behind.

Your tire choices may be limited based on which wheels you have. My Limited trim came with the 20”. I’d love to put Michelins on the Tundra but didn’t like the choices avail in my size. I’m a long time Michelin fan. I run XPS RIMs on the trailer and love them. I’ve stayed with Bridgestone Dueler Alenza that was OEM on my truck although I’ve upgraded to the “plus” series while the first set were not plus. I’m on my third set. Doing well. I run them at 40 psi all the time... 44 (max cold) on the rear when towing. The 30 psi on the door sticker will wear the outside edges of the tires off in 30,000 miles even with rotation every 5,000.

If you don’t find a Michelin for your wheel size you might swap wheels and tires. I wouldn’t invalidate the Toyota warranty simply for a tire brand, but you might find you can have both the tire you want and the warranty with a wheel change.
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Old 06-09-2020, 11:51 AM   #11
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My Tundra ('15) came with Bridgestones, which seems to wear very fast.
Mine has 18" rims and I swapped to Michelin Defenders. Very Happy.
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Old 06-09-2020, 02:38 PM   #12
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Hi! I have a 2016 tundra and tow a 2006 25FB Safari. I had Big O Tires install Nittro A/T Terra Graplers G2 E rated . LT 285/65P18. Drove 8,000 miles last summer with no issues. Great tread for lite off roading also. These fit tundra factory rims with zero lift modification. Very satisfied with these.
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Old 06-09-2020, 04:29 PM   #13
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I went ahead with Michelin Defenders E rated tire.
I also am having an air suspension system installed.
I think these changes will be an improvement. They will make me feel better at least.

Thanks all
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Old 06-09-2020, 06:42 PM   #14
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I have a 19 Ram 1500 for a TV to pull a 2015 27' FC FB. Switched from the stock C Rated tires to Michelin E rated Defenders, big difference in handling. With the stock tires there was noticable sidewall flex, none with the 10 ply sidewalls. Highly recommend the E rated from a handling aspect.
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Old 06-09-2020, 07:06 PM   #15
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Nice Chris, stiff tires are almost never a bad investment and firming up the suspension is a great move.
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Old 06-11-2020, 04:19 AM   #16
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I'm on my 4th or 5th set of Michelin E rated tires. I get to use more pressure so rolling resistance is less. Handling is crisper due to the stiffer sidewalls.
To get the best performance and wear, you should invest in a quality tire pyrometer. Take two (2) sets of measurements. One for unloaded and another for fully loaded. Place the probe or light beam, on the inside, middle and outside of each tire. The goal is to adjust the tire pressure so each measurement is the same across the tire. If the temps are higher on the outsides than the middle, increase pressure. If temps are lower, decrease pressure. If you get a difference between inside and outside temps, an alignment is needed.
Also, invest in a quality dial type/calibrated pressure gauge.
Good luck with your decision.
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Old 06-11-2020, 05:21 AM   #17
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Following along. I have Michelin Defenders on my Tundra now, but they are not the 10 ply. I put them on about 70,000 mi (5 yrs) ago. They still seem to have lots of life left, but I’m already thinking about what’s next.
I was actually leaning towards a Cooper Discoverer 10 ply. 20” wheels limits choices though.
When I put the Cooper Discoverers on my FJ it did decrease the MPG by about 1. (From 20 to 19). I’m guessing it will decrease MPG on the Tundra also.
Edit, forgot to mention, pulling 25FB.
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Old 06-11-2020, 06:48 AM   #18
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I am on my third set of Michelin LTX AT2ís (E-Rated). I get 65K out of them and could do more if I wanted. Run them at 72lbs when towing & 50 lbs when not. Not sure why you are adding air bags...Sounds like you are not transferring enough weight. Visit the CAT scales. Air bags wonít help IMO.
I would suggest adding a rear sway bar first. By far the best(inexpensive) upgrade Iíve done.
Also, add Bilstein shocks if you do not have them already.
I pull a 28í AS that weighs in at 7K, with a 940lb tongue weight. All good & within axle ratings.

As for the warranty...Itís a Toyota, really
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