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Discussion Starter #1
I was gifted a set of 4 15x8 alloy wheels that are 5x5 pattern. I test fitted them on my Jeep and they clear the front calipers, I'm assuming it will clear the rear as well.

What is the largest tire size (width and diameter) that can be used with this size wheel? I'm thinking of matching them to a set of MT's for use while wheeling and leave my stocks for DD.

Please post your pics of your 15's and what tires you use. Extra points if they are the old school solid faced alloy wheels
 

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JKO Dickhead
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not a great picture of the wheels

15" pro comps

35x12.5 MTRk's
 

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Tire & Wheel Specialists
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No lift yet, the plan is to go 3.5" with flat fenders.
With those upgrades you can easily fit up to 37's. If you decide to go with 37's though you're going to find a much better selection in 17". There are very few manufacturers who offer 37's for 15" wheel applications. 35's for 15" wheels however are plentiful.
 

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The only problem I know with 15" is some Tie-rod ends require 17" rims, as well as some lift kits require the 17" rim, or certain backspacing as well? Don't really know why the rim size matters, but haven't really looked into the why's of why a 17" rim is required on certain suspension components, lift kits, etc....

Anyone who is knowledgeable tackle this question as I feel it's pretty relevant info for anyone looking to use a 15" rim? For all I know I could be completely wrong and the rim size doesn't matter? But I know I've read it in a few MFG sites.
 

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well im looking at getting the buckshots in 17' wheel. I guess they have +15mm offset? will this work on my jk with 35" tires. 2.5" of lift. Right now I have oem 17" rubicon wheels with 1.5" spacers on the jeep. I'm wanting to just get theses wheels so shops will work on my jeep when needed. thanks Discount tire...
 

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Discussion Starter #8
With those upgrades you can easily fit up to 37's. If you decide to go with 37's though you're going to find a much better selection in 17". There are very few manufacturers who offer 37's for 15" wheel applications. 35's for 15" wheels however are pretty plentiful.
Just curious as to what the choices are for 37s on 15" rims. Since my intention is to use the 15" wheels for off road, it makes sense to get the largest tires I can to maximize clearance.
 

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Tire & Wheel Specialists
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well im looking at getting the buckshots in 17' wheel. I guess they have +15mm offset? will this work on my jk with 35" tires. 2.5" of lift. Right now I have oem 17" rubicon wheels with 1.5" spacers on the jeep. I'm wanting to just get theses wheels so shops will work on my jeep when needed. thanks Discount tire...
+15mm offset isn't ideal for tires wider than 285mm so if you are wanting to run a 35x12.50R17 tire I'd recommend choosing one that is 17x9 with a -12mm or 17x8.5 with a -6mm offset (4.5" Backspace).

The only problem I know with 15" is some Tie-rod ends require 17" rims, as well as some lift kits require the 17" rim, or certain backspacing as well? Don't really know why the rim size matters, but haven't really looked into the why's of why a 17" rim is required on certain suspension components, lift kits, etc....

Anyone who is knowledgeable tackle this question as I feel it's pretty relevant info for anyone looking to use a 15" rim? For all I know I could be completely wrong and the rim size doesn't matter? But I know I've read it in a few MFG sites.
The best way to know what wheel size your lift requires is to check with the lift manufacturer. They will be able to tell you what diameter wheel and what offset/backspacing is required for their specific lift kits.

Just curious as to what the choices are for 37s on 15" rims. Since my intention is to use the 15" wheels for off road, it makes sense to get the largest tires I can to maximize clearance.
Pitbull makes a 37" tire for 15" wheels. Maxxis and Interco may make one too but I'm not 100% sure. These brands aren't listed in my system so you'll want to check their websites.
 

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Just curious as to what the choices are for 37s on 15" rims. Since my intention is to use the 15" wheels for off road, it makes sense to get the largest tires I can to maximize clearance.
Interco
Pitbull
Toyo
Maxxis
 

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Discussion Starter #14
These are the wheels that I got, anyone know of any drawbacks to running solid wheels like these? I'm planning on getting them powder coated to match the color of the Jeep.

 

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37's can be difficult to balance, as can steel wheels. Combine the two and you may have issues....
 

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The only problem I know with 15" is some Tie-rod ends require 17" rims, as well as some lift kits require the 17" rim, or certain backspacing as well? Don't really know why the rim size matters, but haven't really looked into the why's of why a 17" rim is required on certain suspension components, lift kits, etc....

Anyone who is knowledgeable tackle this question as I feel it's pretty relevant info for anyone looking to use a 15" rim? For all I know I could be completely wrong and the rim size doesn't matter? But I know I've read it in a few MFG sites.
A lot of times the smaller wheels can contact the new sway bar end links especially in the rear but backspace and wheel width vs tire width (tire bubble) are more of the issue there.
 

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These are the wheels that I got, anyone know of any drawbacks to running solid wheels like these? I'm planning on getting them powder coated to match the color of the Jeep.

Other than weight not really.
 

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37's can be difficult to balance, as can steel wheels. Combine the two and you may have issues....
The only way you're going to have issues balancing a wheel is if it's of piss poor construction. Most of the time it's not steelies, but those crappy alloy toy boy racer wheels from pep boys or vatozone type outlets. Tire size doesn't matter as much as you'd think, either. I've had 31's that balanced worse than these 37's. It's not the size that matters as much as the quality, on both accounts.

37" bias ply iroks.
15" steel wheels, 4" backspacing
Balanced with airsoft bb's. Smooth out pretty well once they warm up.
No clearance issues yet. We'll see if it stays that way once I get a different tie rod or drag link.
 
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