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Old 09-09-2014, 12:25 PM   #1
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C range tires on my super duty

Hey all, I've come across a great deal on some like new Blizzak stud less tries for my truck, but they are load range C. Will this be sufficient? I'd actually end up putting them on soon. And possibly towing my 4G lb aerolight. I'm not very knowledgeable when it comes to tires
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Old 09-09-2014, 12:48 PM   #2
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Edit, my truck is a 2000 crew cab 6.5 bed. 4wd.
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Old 09-09-2014, 12:55 PM   #3
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What is the load rating of tires each, in LBs. Then, what is the GVWR of the trailer, and the GAWR of the rear axle of the truck?
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Old 09-09-2014, 01:54 PM   #4
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What is the load rating of tires each, in LBs. Then, what is the GVWR of the trailer, and the GAWR of the rear axle of the truck?
Total loaded trailer is 4600
Rear of truck is 6084
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Old 09-09-2014, 02:05 PM   #5
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I would be hesitant to use load range c's, especially if towing....

but SOME lower range tires do have higher carrying capacity... so research well...


what I found when I went down one range to D's was that they were 'squishy' - I didn't like the way the truck moved under me even though they were rated high enough...

which tire is it ? --> http://tires.tirerack.com/search?asu...dless&x=8&y=10
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Old 09-09-2014, 03:24 PM   #6
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Hey all, I've come across a great deal on some like new Blizzak stud less tries for my truck, but they are load range C. Will this be sufficient?
Probably, but it depends on the weight capacity of the tires compared to the max probable load on the tires.

I like at least 25% excess tire weight capacity compared to the max load on the tires. And as a result I rarely have tire problems on long road trips. I can't even remember the last time I had a blowout, but it was more than 20 years ago.

Example: Tires in size LT275/65R18C have max weight capacity of 2,535 pounds @ 50 PSI.

2535 x 2 = 5070 minus 25% = 3802.5 pounds max rear axle weight.

So if your rear GAWR is less than about 3,800 pounds, then that tire would be fine for your pickup and give you about 25% excess weight capacity per tire. That's assuming you're not so dumb that you exceed the rear GAWR of your pickup.

But if your rear GAWR is more than about 3,800 pounds, then you should go for the LT275/65R18E, which has max weight capacity of 3,415 pounds @80 PSI. 3415 x 2 = 6830 minus 25% = 5122.5. Those load range E tires would give you weight capacity of over 5,000 pounds on your rear axle and still maintain over 25% of excess tire weight capacity.

What? Even the load range E tires won't give you 25% excess tire weight capacity. Then don't even think about putting those lightweight load range C tires on your tow vehicle.
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Old 09-09-2014, 03:34 PM   #7
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Quote:
Originally Posted by JohnBoyToo View Post
I would be hesitant to use load range c's, especially if towing....

but SOME lower range tires do have higher carrying capacity... so research well...


what I found when I went down one range to D's was that they were 'squishy' - I didn't like the way the truck moved under me even though they were rated high enough...

which tire is it ? --> http://tires.tirerack.com/search?asu...dless&x=8&y=10
Looks like the ws80 but they don't have the size listed. Tongue weight of my trailer is fairly light.
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Old 09-09-2014, 04:25 PM   #8
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2469 per tire
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Old 09-09-2014, 04:30 PM   #9
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My dry hitch weight is 250. Plus two lo tanks and a battery
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Old 09-09-2014, 04:51 PM   #10
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Edit, my truck is a 2000 crew cab 6.5 bed. 4wd.
GVWR 8800 pounds
rear GAWR 6084 pounds.

Tires required are 3,042 pounds weight capacity per tire, which gives you zero excess weight capacity. Stock size tires were LT235/85R16E. So no, you cannot put any size of load range C tires on that truck without reducing your rear GAWR. If you use the pickup for anything except for hauling around a babe on Saturday night, then you don't want to reduce your rear GAWR.
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Old 09-09-2014, 05:08 PM   #11
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GVWR 8800 pounds
rear GAWR 6084 pounds.

Tires required are 3,042 pounds weight capacity per tire, which gives you zero excess weight capacity. Stock size tires were LT235/85R16E. So no, you cannot put any size of load range C tires on that truck without reducing your rear GAWR. If you use the pickup for anything except for hauling around a babe on Saturday night, then you don't want to reduce your rear GAWR.
Alrighty.ill pass on them. Sucks though. Like new for $175
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Old 09-15-2014, 08:15 PM   #12
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Picking up some Hankook Dynamic radial load e. 80% for $200. Max load is 3042 per tire. Think they are gonna be good!!!
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Old 09-16-2014, 09:20 AM   #13
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Get what is specified on your door jamb sticker.
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Old 09-16-2014, 11:41 AM   #14
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Calls for 245 75 16. These are 235 85 16
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