For those of you running 37s

[GEETCH]

Anyone running a 37 x 13.5 on 8.5 zero offset wheels? Does it rub?

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[Mac]

Remember Rubicon's have wider axles ( unless you have a max tow) . Also Rubicon fenders are slightly wider I believe . I honestly haven't compared fender coverage in relation to axle width between the narrow and wide setups tho.

Mine is a max tow.

 

[Jeeperjamie]

Is that the math? If you have a Rubicon and install the Mopar 2" lift it gets you 4". Is that over say a Sport. I ask because I ordered 315/70-17 Kanati Trail Hogs and Ion 17X9 wheels with a 0 offset. I assume that will work. Now they have to finish building my damn Rubicon. I realize that the stock wheels are over +40 offset, but I wanted to get more articulation in that direction. I've struggled with my Tacoma (for sale) even with 31s and no lift. I don't know what the offset on the TRDPro wheels are (sorry for digressing).

I'm running 37 12.5 17 Kanati Trail hogs, absolutely love them. Mine are on stock 17x7.5 wheels, they sit just slightly outside the fenders. I'm thinking the 315 70 17's will have slightly more poke because my 315 70 17 BFG KO2s stuck out a little farther than my 37's do now.

 

[Rubi-Zero]

" a tread block out from the fender" You mean with 37X12.50s?

This is a Nitto 37x12.50r17 on a 8.5” +4 wheel. It’s almost about a tread block out from the fender with the Nittos. This may vary with different tires.

 

[Geoarch]

This is a Nitto 37x12.50r17 on a 8.5” +4 wheel. It’s almost about a tread block out from the fender with the Nittos. This may vary with different tires.

Technically in New Mexico they give you 1" outside, so I'm hoping to be just outside with 315s.

 

[Geoarch]

I'm running 37 12.5 17 Kanati Trail hogs, absolutely love them. Mine are on stock 17x7.5 wheels, they sit just slightly outside the fenders. I'm thinking the 315 70 17's will have slightly more poke because my 315 70 17 BFG KO2s stuck out a little farther than my 37's do now.

What is your offset?

 

[Geoarch]

Try this, I use it all the time and it takes away the guesswork and bad math on my part ?

https://tiresize.com/wheel-offset-calculator/

Yeah, I use that too, although the real test is when I put them on.

Cheers,

Steve

 

[Jeeperjamie]

What is your offset?

This is what it is based on the stamp on the wheels.

 

[Jeeperjamie]

@Geoarch one from straight on

 

[bakobobby]

Is that the math? If you have a Rubicon and install the Mopar 2" lift it gets you 4". Is that over say a Sport. I ask because I ordered 315/70-17 Kanati Trail Hogs and Ion 17X9 wheels with a 0 offset. I assume that will work. Now they have to finish building my damn Rubicon. I realize that the stock wheels are over +40 offset, but I wanted to get more articulation in that direction. I've struggled with my Tacoma (for sale) even with 31s and no lift. I don't know what the offset on the TRDPro wheels are (sorry for digressing).

I could be wrong but yes over a sport. The Rubicon has at least 2” over the sport IIRC and believe the 2” lift is with respect to a Rubicon model. Have seen reports that lift on a sport is much more than 2”.

 

[Tank555]

I have a 3" Teraflex lift running the Nitto Trail Grapplers on Weld wheels, no issues here, it works great on the trail and is an awesome ride on the street!!

 

[Deleted member 28696]

I have 37 x 12.50 x 20s offset is +.01 with about 1/2” poke. My lift is a 3.00” on a Rubicon JTR. Nitto trail grapplers M/T.

 

[GEETCH]

Well goin 17” by 8.5” with zero offset with 37” by 13.5 gladiator A/T, just can’t decide which wheel I like most lol.

 

[Deleted member 28696]

Well goin 17” by 8.5” with zero offset with 37” by 13.5 gladiator A/T, just can’t decide which wheel I like most lol.

I like the first set the Walker Evans best, my personal preference. Never heard of them but they look nice.

 

[Cavitt]

How much difference: 0 offset on a 8.5" versus a 9". Is there a formula for that?

I believe I got this from Discount Tire's website, but from a backspacing perspective according to this 8.5" with 0 offset is equivalent backspacing to 9" with -6 offset.

If this assumption is wrong, please let me know because I'm struggling with the same issue. I can't find many wheels I like for my truck with the specs that fit without being obnoxious (sticking way out).

I'm having the @Clayton Off Road 2.5" lift installed this week and I've read that they require 4.5 backspacing to run 37x12.5's on a Rubi. I'm currently looking at Black Rhino 9.5" with -18mm offset for that reason, but I don't really want them poking out that far and I can't find a 8.5" wheel I really like.

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