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04-10-2010, 01:16 PM | #1 | |
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Tires for Suburban 1994
OK, I've had my '94 Sub since 2000, now 200K miles, had 30-9.50-15 LT (light truck) tires on it when purchased. Since then we've replaced with same size, Michelin.
When she's not bathing, Mrs. Cusser tows a horse trailer (with horse or two) several times a month. Would it be different or less safe to use the 235-75-15 tires which are specified in the manual, or are LT tires worth the upcharge? Thanks. |
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04-24-2010, 07:56 AM | #2 | |
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Re: Tires for Suburban 1994
My understanding of this topic is basic but here goes:
P is for passenger, LT is for light truck. You may see either type on the same vehicle, this is to say there could be some crossover. There are a couple of things to consider - passenger tires are built to provide a softer ride and will not carry as heavy a rating if used on a "truck". Figures I have seen suggest at least a 10% derating if used on a truck. Truck tires on the other hand run at higher pressures and don't flex as much so the ride isn't quite as smooth. I have not seen any recommendations for using P type tires on a tow vehicle of the burbs size... As far as going with 30/9.50/15 vs 235/75/15's I think the 30/9.50/15's look MUCH better matched to the burb while the 235/75/15's look more like little donuts, I have the 30/9.50/15's on my burb as well. It's amazing what about a 1/2" difference in width and diameter can do. Since the burb is used to tow a horse trailer several times a month I suggest paying the upgrade and going the LT route so the lovely Mrs. Cussler will continue to enjoy bathing for years to come. |
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04-25-2010, 02:17 AM | #3 | |
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Re: Tires for Suburban 1994
Thank you, idmetro, for a good explanation. Mrs. Cusser will continue to ride on LT tires.
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