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Biggest tire on stock boss

as73

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tommysf13

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Anybody running 33x12.5x20?
Assume they would rub without some trimming?
I'm on this setup. Little by little the tire installer trimmed my front flaps. The flaps are cut 2/3 but still mounted with the 3 screws. I do get some rub at full turn or uneven surfaces. I do have a 1.5" leveling.
 

BDR45

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wondering what tire sizes you guys are getting away with without additional lift! I'm wanting to stuff 305 65s on my stock wheels.
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wondering what tire sizes you guys are getting away with without additional lift! I'm wanting to stuff 305 65s on my stock wheels.
I own a 2022 trailboss. I measure very carefully. Stock you have about 2 inches of clearance when front wheels are fully turned.....and a juuuiist about 1 inch from back of tire to the upper control arms. I have the 4cyl Turbo engine so I wanted to be careful and keep things as stock as possible. I researched for about 2 months and finally decided on Goodyear duratrac 295/65/18. They are about 1 inch taller and 1 inch wider and look perfect. I did remove all of the mudflaps and have the black plugs coming to fill the 4 holes. Tires fit perfectly and no rubbing whatsoever. I personally love the duratrac tire as far as function and look. Again I didn't want to do spacers...leveling kit...or stress the front end of car by adding bigger tires. I've read that bigger tires have fit with minor mods but I didn't wanna do that.
 

TonyBoss

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I went with the Falken AT3W 295/70/18 on stock rims- confirming no rub.
Will be doing a 1.75 readylift kit soon.
C6574C70-4A5C-41F7-8D94-5AC22358F945.jpeg
 

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TonyBoss

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You guys that are running the same tires with the 1.75 lift, what is the clearance to the UCA?
Stock height I’m about 3/8” away from the tire-
Assume the Readylift UCA will give a little more clearance?
 

Mars13

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I put Toyo 195/70's on mine. So, 34X11.5 roughly. I had to remove the mud flaps when I added Bushwacker fender flares. When I added the tires I had to remove the mudflap brackets and add 2" wheel offsets. When that was done I had no tire rub. Before the spacers It rubbed bad. Hell of a racket. I've read on the GM forums that you could put 195/70 without any rubbing. Anyone who says that is wrong.
Looks really good! Do you have a level kit or any kind of lift on your truck? Also, can you please provide info on the wheel spacers you used?
 

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