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Old 06-22-2014, 10:12 PM   #1
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BFG AT Metric size and load vs 33x10.50r17

Not sure if I'm posting correctly but slap me down if this is in the wrong spot...

I'm looking at the BF Goodrich ATs and other tires and see BFG has a 33x10.5r17 available. It cost much less and has a C load rating rather than E that most of the other tires have in this size. It also weighs about 10 lbs less, 45 vs 55 lbs. I would think this would be a great tire for my 2012 JK with the 3.73 ratio and auto. It seems everyone is using the metric sizes that are heavier and higher load rating. Is there something wrong with the 33x10.50 that I am missing.......

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Old 06-23-2014, 09:28 AM   #2
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The load rating is usually needed/required in trucks for actual load (weight) bearing capability - in something like a Jeep it is more about sidewall strength.

The tire carcasses are, in fact, different composition & thickness to attain that higher load rating (hence the weight increase).

It's really a personal decision - depends on the purpose of your rig and your own needs. Depending on where you ride and how you use your Jeep you may not have the sidewall concerns.

That said, if you air down for tire flotation during beach driving, you'll not see as much flex in the sidewall on the higher load rating (stiffer sidewalls).

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Old 06-23-2014, 09:51 AM   #3
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I think that's a great tire for a Wrangler. The C rating will provide a better ride than the E that has the stiffer sidewall.

The E tire will offer a more protection from sidewall damage when rock crawling.

As above, it's a personal decision and can be influenced by how you use your Jeep.
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Old 06-23-2014, 10:21 AM   #4
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A 255/80R17 is the closest metric equivalent to 33-10.50R17, all available are E rated. A 295/70R17 is the closest to a 11.50 in a 33" diameter, there are three brands and five tires to choose from. I think there are only two choices for the 255/80R17. There are many more tires to chose from in 285/70R17 on the smaller diameter side (32.5-ish), and 33-12.50R17 on the wide end of the spectrum.
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Old 06-23-2014, 10:56 AM   #5
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Quote:
Originally Posted by kmrtnsn View Post
A 255/80R17 is the closest metric equivalent to 33-10.50R17, all available are E rated. A 295/70R17 is the closest to a 11.50 in a 33" diameter, there are three brands and five tires to choose from. I think there are only two choices for the 255/80R17. There are many more tires to chose from in 285/70R17 on the smaller diameter side (32.5-ish), and 33-12.50R17 on the wide end of the spectrum.
Agree, further research and I can't pull up a 33x10.5x17... Would be a popular choice for expedition rigs if they made it.

The 285/70R17 would be the suitable size to come close to what you are looking for. 32.8" diameter matches up to a 33 and 11.5" section width is a little wider.
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Old 06-23-2014, 08:47 PM   #6
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tire rack.

Here's the link. Maybe it's a mistake. ...tire rack. I expect to use them if they really are available.

http://www.tirerack.com/tires/tires....ORWL&i1_Qty=5#
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Old 06-23-2014, 09:02 PM   #7
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Those are 15" wheels, not 17"
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Old 06-23-2014, 09:12 PM   #8
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my bad

You're right......It says 15 inches. I checked that size at least 5 times. Either they just changed it or I'm loosing my mind. It's likely the latter.
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Old 06-23-2014, 09:25 PM   #9
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option 1

Ok... so my next option is 275/70-17
Not so excited about this one due to cost and a conservative increase in size over stock 255/75-17


Thanks for the second set of eyes.

http://www.tirerack.com/tires/tires....ORWL&tab=Specs
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Old 06-23-2014, 09:56 PM   #10
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You could run the 285/70R17
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Old 06-23-2014, 10:15 PM   #11
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bfg

285 may rub. I'm going to look at other manufacturers now. One big thing besides price is the c load range tire was 9 lbs lighter.....I think that is significant.
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Old 06-23-2014, 10:27 PM   #12
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Since you are most likely going to need new rims too, start shopping for them, unless you think spacers are a viable alternative.
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Old 06-23-2014, 10:50 PM   #13
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rims

Don't want new rims. My next option is Firestone destination at. 275/70-17

http://www.tirerack.com/tires/tires....=yes&tab=Specs
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Old 06-23-2014, 10:51 PM   #14
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Quote:
Originally Posted by ggrote1 View Post
285 may rub. I'm going to look at other manufacturers now. One big thing besides price is the c load range tire was 9 lbs lighter.....I think that is significant.
It depends on what backspace you run. I ran 265s for a while and would have had plenty of space for 285s with 4.5 inch backspace wheels.
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Old 06-24-2014, 05:53 AM   #15
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Old 06-24-2014, 09:56 PM   #16
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cooper

Copyguy...

That Cooper looks like a good option. When do you think you'll get them?
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Old 06-25-2014, 09:15 AM   #17
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Quote:
Originally Posted by ggrote1 View Post
Copyguy...

That Cooper looks like a good option. When do you think you'll get them?

Not as soon as I'd like, but I'm planning on next month. Going to do a lift and tires at the same time.

Would have been this month but the wife decided to put in 6k worth hardwood floors.
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Old 06-25-2014, 09:19 AM   #18
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Here is an example of what they are going to look like with an AEV 2.5 lift.
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Old 06-25-2014, 09:10 PM   #19
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cooper

The look great. Reviews are good too. I need to buy tires before the wife spends the rest of the money I haven't made yet...
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Old 06-27-2014, 10:02 PM   #20
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cooper

Now copy guy has me hooked on the cooper..but maybe the discoverer at3. Lighter c load rating 275/70 17 and maybe a better fit for my needs.
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Old 06-29-2014, 07:57 PM   #21
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Talking cooper

Ordered the cooper today. At3 275/70 17 c load range. $169 + 20 shipping each and a $70 rebate. Hope they work well on the Arctic wrangler. Thanks for all the input.
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Old 07-03-2014, 06:21 PM   #22
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Coopers

Put the coopers on today. 275/70 17. As one would expect much smoother and quieter than the MT's I took off. Small difference in size from the 255/75 17 tires I took off. No reason to change the speedo or worry about gearing. Trying to make it easy on me. One photo with original MT's and one with the new Coopers.
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Old 07-03-2014, 07:22 PM   #23
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Very nice.

Tires are such a personal choice, it's great there are soo many options.

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