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Unread 02-24-2006, 12:29 PM   #1
Gun_Runner
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When to upgrade stock wheel

Ok I checked the FAQ's section dealing with how big of a tire can I go on my TJ etc etc.

Nothing addressed the issue of Offset. is there an issue?

Assuming a 3.5 inch RE flex kit or equivalent lift at what tire width would I need to start thinking about Offset?

How wide can I go with the stock Rubicon Moab rims with say 33inch tires??

thanks in advance I could not find the info posted on the site.

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Unread 02-24-2006, 12:42 PM   #2
Wheelin98TJ
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11.50 would be the max width on Rubi Moab wheels. BTW, they have 5" of backspacing.

If you want to run the more commonly found 12.50 width in the 33" size, you want 4.5" of backspacing or less.

Translated to offset, this would be -12.7mm or more (as in more negative, for example -20mm).
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Unread 02-24-2006, 12:51 PM   #3
Bobby G
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go with a 33 x 12.5 and 4.5 back spacing
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Unread 02-24-2006, 03:59 PM   #4
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Or,if you do want to keep your stock rims, you could go to 33 X 12.50's, but you'd have to run wheel spacers, or you could run 33X10.5's.

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Unread 02-25-2006, 08:48 AM   #5
Gun_Runner
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so which is it?

Wheelin98TJ says 11.5's are tha max on a stock rim and

Joonhoss71 says 10.5's

If I did the wheel spacers and 33X12.5's what am I likely to break?

Thanks in advance
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Unread 02-25-2006, 09:57 AM   #6
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10.50 is the max width on most TJ wheels that have 5.5" backspacing.

You need 5" or less bs to run 11.50 wide tires, which Moab wheels have.

33x11.50 is not a common size, but since they are 16" wheels, you should be able to find a metric sized tire that is pretty close to that size.
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Unread 02-25-2006, 01:39 PM   #7
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Quote:
Originally Posted by Gun_Runner
Wheelin98TJ says 11.5's are tha max on a stock rim and

Joonhoss71 says 10.5's

If I did the wheel spacers and 33X12.5's what am I likely to break?

Thanks in advance
Nothing as long as you go with quality spacers that are HUB CENTRIC such as Spidertrax. The thing you run into there is that for very little more than the cost of quality spacers you can get a nice set of aftermarket wheels. You can get black steelies cheaper than spacers. Choice is yours.
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Unread 02-25-2006, 01:58 PM   #8
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Quote:
Originally Posted by #20 Home Depot
Nothing as long as you go with quality spacers that are HUB CENTRIC such as Spidertrax. The thing you run into there is that for very little more than the cost of quality spacers you can get a nice set of aftermarket wheels. You can get black steelies cheaper than spacers. Choice is yours.
Too bad Jeeps aren't hub centric and the spidertrax spacers are just a marketing scheme. Any set of wheel spacers should be fine as long as they are quality. IT depends on how much you want to spend, they range from $55/set on ebay to $130/set for spidertrax.
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Unread 02-26-2006, 08:21 AM   #9
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Quote:
Originally Posted by MCanavan
Too bad Jeeps aren't hub centric and the spidertrax spacers are just a marketing scheme. Any set of wheel spacers should be fine as long as they are quality. IT depends on how much you want to spend, they range from $55/set on ebay to $130/set for spidertrax.
You need to do more research my friend.
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Unread 02-26-2006, 08:44 AM   #10
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Hey, I don't mean to hijack...but I'm looking at getting some black Cragar 397's today.

Just so I'm sure - I have 31x10.5's but will probably upgrade to 32x11.5's with the next tire purchase. Should I go with 5.0 backspacking for my cragars? That will work with what I have AND work when I upgrade?

Thanks!
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Unread 02-26-2006, 09:57 AM   #11
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Quote:
Originally Posted by rhelton04
Hey, I don't mean to hijack...but I'm looking at getting some black Cragar 397's today.

Just so I'm sure - I have 31x10.5's but will probably upgrade to 32x11.5's with the next tire purchase. Should I go with 5.0 backspacking for my cragars? That will work with what I have AND work when I upgrade?

Thanks!
I'd go with 4.5" bs so you have the option to run 12.50 wide tires down the road.

And 1/2" more bs shouldn't be that big of a deal, unless your state is REALLY strict on tire coverage laws.
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Unread 02-26-2006, 10:24 AM   #12
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285/75/16's are a VERY common tire size with Rubicons. All you have to do is mount them and adjust the steering stops. Plus you get to keep the Moabs.
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Unread 02-26-2006, 04:35 PM   #13
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Check out http://www.finishlinewheels.com for OEM Alloy Wheels and Jeep Replica Rims.
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Unread 02-26-2006, 06:26 PM   #14
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