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Old 05-05-2009, 01:18 AM   #29
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On the other side of the fence.

Hi, your vehicle was made and rated with "P" tires, not "LTs". If your vehicle was rated to handle your trailer, then "LT" truck tires won't change that. Your "P" tires probably had a max tire pressure of 45 lbs; Putting 70 lbs in "LT" tires on those wheels could cause a fatal injury to you or who-ever is filling them. Check the rateing of your wheels. There is nothing in my owner's manual that says I must change my "P" tires to "LT" tires for towing.
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Old 05-05-2009, 06:21 AM   #30
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Another side of the fence

Our vehicle came with 215X55X17VR P rated ultra high performance tires.

They have many advantages. The low profile has a minimal sidewall so they are designed not to wallow even when pushed to the limit.

I run 38lbs pressure in the rears and 36 in the fronts when towing. They provide a better ride compared to high pressure truck tires.

Truck tires are made to last. Not a bad idea but the rubber compounds are hard. Performance tires use sticky rubber with lots of grip. Shorter stopping distances and stability are the benefit.

These tires are smaller (diameter) and lighter than most truck tires so they weigh less. Less weight takes less HP from the vehicle.
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Old 05-05-2009, 08:00 AM   #31
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Joke?

Not sure I am getting jokes about the comments on tire shake? Again, before I purchase anything, there is alot of research done. The tires were re-balanced after 3 weeks, and they were only off a little, but it made an improvement. I have read many reviews on this tire, and one complaint was the same as mine. Some road shake at high speeds, called BF Goodrich and they explained the same, a different ride on an AT tire verses all season. Like I said prior, I had these same tires on my previous truck, just lower rating. My husband has also built several "monster" trucks and has experience in very large lifted truck tires. None of those, were ever a smooth ride, didn't expect them to be. Just wondering, if I wasn't getting the jokes? Posted this thread to get some honest feedback and advice, as we are new to Airstreaming. I appreciate those who have helped out.
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Old 05-05-2009, 08:57 PM   #32
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Tires rated significantly above your wheel and/or axles or axles are a waste of $...but will give you some safety factor.

Tires rated below your axles are not fully utilizing your vehicle.

"P" rated tires are not for towing at all, and will compromise safety. Low profile tires would be in this category.

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Old 05-05-2009, 09:17 PM   #33
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Other situations besides out of round and out of balance need to be checked to take away the shakies. There is also road force! Road force is the variation in stiffness of the tire at different points around the circumference of the tire. These variations can be attributed to variations in casing or tread thickness, as well as overlaps in belt ends, and variations is rubber density. Variations as high as 75 lbs are not uncommon on LT tires from the least road force to the most road force. In LT tires, Michelin LTX M/S tires typically show the least variations, usually ranging below 15 lbs. from least to most. After road force the next consideration is whether the wheels are lug centric or hub centric. Hub centric wheels can be balanced using the normal centering cone to mount the wheel/tire assembly to the balancing machine. However, if your wheels are lug centric, the individual doing the balancing must use the lug adapter to mount the tire/wheel to the balancing machine. Lug centric wheels are almost never properly balanced when using the cone to mount them to the balancing machine, no matter how careful the tire tech does his job.
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Old 05-09-2009, 01:52 PM   #34
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Quote:
Originally Posted by wishsilver View Post
Not sure I am getting jokes about the comments on tire shake? Again, before I purchase anything, there is alot of research done. The tires were re-balanced after 3 weeks, and they were only off a little, but it made an improvement. I have read many reviews on this tire, and one complaint was the same as mine. Some road shake at high speeds, called BF Goodrich and they explained the same, a different ride on an AT tire verses all season. Like I said prior, I had these same tires on my previous truck, just lower rating. My husband has also built several "monster" trucks and has experience in very large lifted truck tires. None of those, were ever a smooth ride, didn't expect them to be. Just wondering, if I wasn't getting the jokes? Posted this thread to get some honest feedback and advice, as we are new to Airstreaming. I appreciate those who have helped out.
It is hard to get honest feed back on here. I personally can appreciate you and your husbands knowledge and experience. I drag race now, but built 1 truck won 4 years in a row at bowling green pulls ( NATS) amature class. You will find on here and most forums, missery loves company. Axles Tow vehicles, good luck weeding threw the rederick, and left field info. Its kind of like going to Autozone and asking a technical question.
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