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Old 02-25-2013, 04:33 AM   #1
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Tow Vehicle Tires: P-series Against LT's

I towed all last summer with a brand-new set of P265/70/R17's with the proper load rating and have noticed that the wear is extreme compared to the front set. I maintained proper air pressure and all but I'm believing that the P-series won't stand up to the towing like a LT tire would. Has anyone ran into this? I'm considering a set of LT's for towing this spring and I'm just wondering if it will solve the premature wear I encountered with P-series.
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Old 02-25-2013, 11:34 AM   #2
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"P" tires are for cars... for towing you need LT... the sidewalls are just not strong enough sure they might work for a while but eventually.............
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Old 02-25-2013, 02:32 PM   #3
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P are for passenger cars. You have been towing on borrowed time.
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Old 02-25-2013, 06:06 PM   #4
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Quote:
Originally Posted by norty1 View Post
P are for passenger cars. You have been towing on borrowed time.
X2!

Dad did that decades ago, on an old pu (single axle). He put on a pair of tires right before a 50 mile trip. We only made it about 5 miles down the road before turning around. He could not drive faster than about 50 before the PU got squirrely. P rated tires just do not have any side wall strength. The sidewalls flex incredibly on a trailer and can easily cause a blow out. With your 5th wheel, my guess is you have not seen this as badly, due to your hitch system.

Don’t want to sound mean, but get those tires changed out ASAP!
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Old 02-26-2013, 07:16 AM   #5
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The title of this thread is "Tow Vehicle Tires: P-series Against LT's". So the OP is asking about the tires on his tow vehicle, not his trailer....

IMO, if you are within the load rating of your Passenger tires with the added weight of your trailer, then you should be okay. That being said, you mention that you are seeing more wear on the rear tires compared to the fronts.... LT's are more durable, but will not be as comfortable as a daily driver, are heavier, and will cost more. All things to consider I guess....
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Old 02-26-2013, 08:39 AM   #6
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Quote:
Originally Posted by Frontier83 View Post
The title of this thread is "Tow Vehicle Tires: P-series Against LT's". So the OP is asking about the tires on his tow vehicle, not his trailer....
You are so correct. I missed the title when I reread the post. Deerhuntr, I apologize for being so strong on getting the suspected wrong tires off the 5th wheel.

I would recommend reading the info section on www.tirerack.com. There is a lot of good information about tires.
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Old 02-26-2013, 11:08 AM   #7
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You didn't specify if your Sierra is a 1/2 ton or a 3/4 ton- I assume you have a 1/2 ton pu which normally has "p" tires- Perhaps the tread design you chose is prone to rapid wear because of the design or you may have purchased a cheaper tire which naturally would wear faster- All sorts of senarios come into play when someting new is attempted- If we had more info, someone could comment more intelligently- In any event, I'm confident LT tires could be used on your vehicle- JMHO- DD
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Old 02-18-2014, 06:01 PM   #8
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Just a note to add... I towed my 5'er from New Brunswick, Canada to Biloxi, Mississippi and back again on brand new LT's on the rear and you could not see any wear when we got back home. I am now convinced that when I tow, I use LT's, that's what they are for! I realize now that I was foolish thinking that I could tow with P-series and not have consequences. Thanks to all for the comments, this should end this thread... lesson learned!
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Old 02-18-2014, 06:25 PM   #9
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You will likely find that even with LT's you are going to get more wear in the rears than the front due to weight on the tires and they are the drivers therefore taking more wear. The LT's will last longer than P's, to some extent. Regular tire rotations with oil changes help them wear evenly.
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Old 02-18-2014, 06:34 PM   #10
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We went with Goodyear Pro Grades that have 10 ply sidewalls. They wear like iron.
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Old 03-23-2014, 07:23 AM   #11
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We had Wrangler P tires on the Ram, never liked them and felt "squishy" when towing the TT which was 5800 lbs. When we got the Eagle HT 23.5, I changed tires for Michelins LTX/AT2 (I think) which are 10 ply LT tires. Expensive but worth it. I get them rotated regularly and have to say, I don't really feel the ride while not towing any harsher than with the P tire
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Old 03-23-2014, 06:38 PM   #12
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I think I might look at a set of Firestone Transforce tires next. There are getting really good reviews, and reports that they wear like iron.
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Old 03-23-2014, 07:12 PM   #13
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Here's one for the tire experts: My truck has Michelin LTX/AT2 tires (model #) and the size is P265/70R17.

According to the ISO standard tire nomenclature system P is a passenger tire, LT is light truck, ST special trailer.

So the Michelin MODEL NUMBER is LTX/AT2 and this, in my opinion, misleads the un-informed into believing it is a Light Truck tire.

The internationally accepted ISO number says otherwise...P (passenger)265/70R17.

If this Michelin tire on my truck was TRULY a light truck tire then the ISO number should read LT265/70R17.

For me the ISO designation supercedes the manufacturers model number/trade name.
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Old 03-23-2014, 10:08 PM   #14
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I just replaced my Michelins LTX/AT2 LT 265/75/18 10ply last week, they lasted 20k miles, nice tires just didn't last and got them replaced under the 60k milage warranty.

On the LTX/AT2 that is just the tread pattern of the tire it has nothing to do if its a P or LT tire, most 1/2 ton trucks and SUVs have P rated tires they ride softer and smoother than a LT tire. You can have a two new trucks on a car lot and one has P and one has LT it's all based on the factory option package, you can have a LTX/AT2 in a wide range of sizes and ply and speed rating most P rated tires have a higher speed rating than a LT , so you have to ask the right questions when buying tires, and not go by what the computer says your truck needs and most the time LT are a few dollars more so if your not towing most people go with the cheapest tire option and the same for the factory on tires
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Old 03-24-2014, 10:00 AM   #15
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Here's my question.... I put about 12,000km on my Sierra (1500) with "high performance factory installed suspension", 20" wheels.... about 3-5,00 of those are for towing.

I love the smoothness and low noise level of my P tires on my truck...

Wouldn't mind moving to LT tires, but if that means harshess ride, stiffer ride, more noise and higher fuel consumption, I'm not that interested since my towing is only for part of the yearly drive....

Is there a big difference between LTs and Ps on that side of things?
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Old 03-24-2014, 10:11 AM   #16
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You need to look at the load range of the tire and if your trailer weight fits the tires load rating your ok, but if your overloading the tire than you need to change to a higher load range tire, and that may have to be a lt tire, we have a ltz Tahoe with 20" rims that we use to tow the 5000lb boat and it has Low profile P tires on it, we towed over 10k miles last year and never had a problem with it. I would not get all scared if you have P tires
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Old 03-24-2014, 10:28 AM   #17
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Living, I have the same setup that you have with your Tahoe...

I'm not scared, I just need to be changing tires soon and was considering the LT option... but I'm not too keen of losing the ride comfort I have with the Ps....
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Old 03-24-2014, 12:36 PM   #18
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On a 20" rim you are very limited on load range E tires and you will find alot of xl tires but not LT, unless you change tire size most factory sizes 20" rims run P tires, on our tahoe the 20" rim and tire fills the hole so no way to go to a bigger LT tire without it rubbing when turning. Nitto has some 20" LT factory size tires but at $400 a tire its a tough call I ran Nittos on my dodge 2500 and was not happy with them at $300 a tire they didnt last any longer than $150 tire. To me they are more a show tire like most 20 and 22 tires are. When I bought my new chevy 2500 it had 20's on it and I had them changed to the 18" due to not wanting to have a limited choice and $400 a tire. It all comes down to your load your pulling, if its over the tire rating than your asking for trouble and something needs to change. I would recommend go to a tire shop and talk to the owner or a manager not the new guy that started last night and see what options they have for your tire size, and find out what is best for you either a P, XL or LT tires
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Old 03-25-2014, 05:55 AM   #19
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That's one of the issues, tire shops...not many of them have real experienced guys that know what they are talking about!!!!

On the load range, the tires I have on right now (Goodyear LS-2...stock ones) are rated 111 (so that's 2400lbs)....

On that front I don,t think I will have an issue at all... no cat scale results yet, but once I get the TT I will go and have my setup weighed in and see how much is sitting on each wheel...if my WDH is set up right I should be fine!
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Old 03-27-2014, 09:25 PM   #20
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Hey Salsa, I was looking at LT tires for my truck this evening. If you punch in the make and model, you wont find much (if anything) for our trucks in LT tires. But if you go with alternate sizing, that opens thing up somewhat, still only a few choices, but its something.

I think I found my next set, Goodyear Wrangler All Terrain Adventure. LT285 55R20 E1 122 R B. Probably overkill on our trucks, but that's kind of the way I like it.

I also decided I'm going to run my OEM tires just under the max pressure listed on the sidewall (44 lbs) on our next trip and see how she behaves. I'm hoping for a little better ride, not expecting anything dramatic. We'll see....
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