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Damned 17" wheels

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Old Apr 18, 2005 | 08:36 AM
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Damned 17" wheels

After driving on the beach it became obvious my stock LT265/70R 17's are not gonna cut it. 33X12.5's will fit well with no lift but can't find a major brand of tire that offers that size. Anyone else had the same problem? Or do we have to wait till the tire makers catch up with the wheel size?
 

Last edited by DZari; Apr 18, 2005 at 09:31 AM.
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Old Apr 18, 2005 | 08:44 AM
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Kinda confused... Do you currently have 15's and want to go to 17's? or do you have 17's and want to go to a 33X12.5? Was the "15" a typo?

Like to try to help you out, but....

DS

PS- just did a quick search: BF Goodrich has a 315/70X17" All-Terrain T/A KO tire. That calculates out to 34X12.4X17. That's pretty darn close!
 

Last edited by DS02F250; Apr 18, 2005 at 08:58 AM.
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Old Apr 18, 2005 | 09:16 AM
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Sorry. I now have 17's on the truck
 
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Old Apr 18, 2005 | 09:30 AM
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DS - I see the comparison but, the LT 315 (according to BFG needs a wheel width range of 8.5" to 10". My wheels are 7.5" wide.
 

Last edited by DZari; Apr 18, 2005 at 09:33 AM.
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Old Apr 18, 2005 | 10:16 AM
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i would suggest you either look for a little narrower tire or get some wider wheels.
 
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Old Apr 18, 2005 | 10:29 AM
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Look at Nitto's Terra Grappler AT tire. It is a 295/70R17 (or something like that) It is about the closest thing I could find to the size you listed. Alot of guys on ford-trucks.com have had good luck with these tires. Availability might be a problem, but discounttire.com deals with these tires, and might be your best bet.
 
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Old Apr 19, 2005 | 09:30 AM
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Originally Posted by DZari
DS - I see the comparison but, the LT 315 (according to BFG needs a wheel width range of 8.5" to 10". My wheels are 7.5" wide.
A-ha!, that does create a problem, doesn't it? Maybe a bit narrower tire? Or, like others have suggested, wider wheels? (but that rings up a bill, doesn't it?).

Maybe look at it from this angle: What is the largest tire that my 7.5" wheels will accommodate? Most here on FTE agree that a 285 width is about the max that "should be" (not "CAN be") put on a 7" (or 7.5" wheel). Is that going to be wide enough for what you wanted? or will you need to go to a wider wheel?

Just some food for thought...

DS
 
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Old Apr 19, 2005 | 12:36 PM
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Originally Posted by DZari
DS - I see the comparison but, the LT 315 (according to BFG needs a wheel width range of 8.5" to 10". My wheels are 7.5" wide.
Don't woory about the wheel width, they will work fine and you'll never notice the difference. As far as driving on the beach goes, just air down to 15 - 18 lbs and you will be supprised at the performance. You will still need to air down with the bigger tires, they don't make much difference. The narrower wheels will help keep the beads seated too.
 
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Old Apr 19, 2005 | 12:41 PM
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Originally Posted by DS02F250
Maybe look at it from this angle: What is the largest tire that my 7.5" wheels will accommodate? Most here on FTE agree that a 285 width is about the max that "should be" (not "CAN be") put on a 7" (or 7.5" wheel). Is that going to be wide enough for what you wanted? or will you need to go to a wider wheel?

Just some food for thought...

DS
I run 37 x12.50's on 7 and 7.5 inch wheels all the time on the road and in offroad racing, there will be no problem. I would'nt own a wheel over 8 inches wide for any 12.50 wide tire.
 
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Old Apr 19, 2005 | 01:03 PM
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That's misleading, just because that combo has worked for you, doesn't necessarily make it right. If you feel comfortable thats all good, but don't tell someone there will be no problems.

Manufacturers have a specified wheel width for a reason. On a 40K truck, it's amazing that people try to save a couple hundred bucks, and risk other peoples well being in the process.

DZari do yourself a favor ... stick to something that fits, or get another wheel/tire combo.
 
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Old Apr 19, 2005 | 01:23 PM
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No Problem!
 
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Old Apr 19, 2005 | 05:53 PM
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I have SEEN Pro Com 33x12.5x17 on a truck thats the size I want. How good are the tires though...????

what is a 33x12.5x17 converted to met. is it a 295 285 305.... Not sure Please help and let me know about the Pro comps
 
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Old Apr 19, 2005 | 06:01 PM
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merkstang,
33x12.5x17 converted to metric is 315/65R17.

Tom.
 
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Old Apr 19, 2005 | 07:17 PM
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4lo.com has some great calculators for all sorts of automotive conversions.
 
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Old Apr 19, 2005 | 08:26 PM
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There Really Isnt An Acurate Size That Will Convert To A 33x12.50r17.
A 315/65r17 Would Be Over 33" Tall. 33" Ties Are Rounded Up In Size Not Down , Usually From About 32.6".a 305/65r17 Would Actually Be Closer In Diameter, But Approx 1/2" Narrower. A 285/70r17 Would Be Considered A 33" Tire And Will Fit The Stock Wheels....mark
 
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