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Discussion Starter · #1 ·
I plan to order a set of tires and a leveling kit for my 1794 Tundra pretty soon. I believe the factory wheels are 20x8. I don't want to replace the factory wheels or add wheel spacers. I will be installing a leveling kit at the same time....so will 305 55r20 nitro terra grapplers or ridge grapplers fit?
 

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305/55R-20 sized tires are most likely going to rub the UCA with the factory wheels due to the high wheel offset. 285/60R-20 sized tires may be a better solution if you want to stick with the O.E. wheels, or you could swap to an aftermarket wheel that has a lower offset.
 

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Discussion Starter · #4 ·
I agree that looks close. I guess the biggest question at this point is what the offset is on my wheels. I've searched and haven't found it yet. If 55 barely clears and I have 60 I'll know it won't work for sure. If mine are 50 it might be tempting. Lol

I can buy spacers if I have to... I just like wide tires but don't want to go crazy modding this truck. I may end up with 295's to keep it simple.
 

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I agree that looks close. I guess the biggest question at this point is what the offset is on my wheels. I've searched and haven't found it yet. If 55 barely clears and I have 60 I'll know it won't work for sure. If mine are 50 it might be tempting. Lol

I can buy spacers if I have to... I just like wide tires but don't want to go crazy modding this truck. I may end up with 295's to keep it simple.
Our records indicate the offset is +60mm, but you can confirm this by looking on the backside of one wheel. The offset will be stamped somewhere next to the letters ET.
 

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will 305 55r20 nitro terra grapplers or ridge grapplers fit?
8" rim is below the recommended width, besides the UCA clearance issue.

I'd go with 295/60s.
 
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I'm needing new tires soon.
I'm going to buy Toyo Open Country AT from my local Discount Tire.

I currently have stock 285/55/20 BFG KOs.
I was going to get the Toyos in 295/55/20, but after reading this thread, I think 295/60/20 is going to be the way to go.
I have a 2.5 lift in front and 1 lift in the rear/
 

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I think 295/60/20 is going to be the way to go.
They are ~34" and if you don't mind a little plastic modding for clearance they'll be fine.
 
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Discussion Starter · #10 ·
Against the recommendations here, I decided to go with the 305/55r20 on my stock 20x8 wheels. I just cannot see the 8" vs 8.5" rim width making a huge difference...and I've done worse in the past with 37x14 on 18x9 wheels.

I ordered a 3" leveling kit for the front, add a leaf for the rear, and 3/4" bora wheel spacers all the way around. I'll try to post some pics when I get everything in and put together.
 

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I mounted 35x12.50 on my stuck 18x8 rims on my 2014 tundra with a 3/1 leveling kit only modifications I had to do to clear them was trim like an inch off the skid plate and remove the front mud flaps I clear them no problem now zero rubbing and I didn’t need wheel spacers
 

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Discussion Starter · #12 ·
I've had the leveling kit, tires and wheel spacers on for almost a month now and really like it.

I installed the spacers and tires first and the tires would only rub occasionally while backing up- and they still do sometimes with the leveling kit. So the leveling kit was not needed for the tires but I like it.

I believe the tires would have cleared the UCA without the spacers because with 3/4" spacers I have about 1" of clearance. I know 1/4" or less would be close, but I think it could work. I am still glad I went with the spacers because I really like the stance.

I didn't find a lot of reviews on the Cooper Discoverer AT/W tires but they have been really impressive in the snow so far even with the extra width. No idea how well they will actually last but so far I would recommend them at least as a winter tire.
 
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