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Biggest tire on stock boss

SteelBoss6.2

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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.
 

Baz

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I’ve got 295/70R18 Falken Wildpeak AT3W tires on my 18-inch Trail Boss wheels. Just a tiny bit of rub on the mud flap occasionally when reversing with steering near full lock. I don’t have any lift or levelling kit, just factory Trail Boss suspension.

636B0E0A-AEAF-4B75-A001-A78EB1DA75EB.jpeg
 
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SteelBoss6.2

SteelBoss6.2

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Damn it looks good man. Wondering if the 305s will rub more or less. Theyre not as tall as yours but mucho wider
 

Baz

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Update: I just trimmed the mud flap, removed the bracket behind the fender liner and then zip-tied the liner back to make more room in the wheel well. There’s lots of room now. Might try some 1.5” BORA wheel spacers for a wider stance...
 
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SteelBoss6.2

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Right on. Ill prob have to do near the same with the 305s.
 

seb5

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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.
 

Baz

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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.

195/70/18 or 295/70/18?
 

Baz

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Ahhh good catch! 295’s they are

Can you post some pics of your tire/wheel set up? I’m curious what the 2-inch spacers look like with that tire size. I’ve got the same size tires on factory wheels and will be adding 1.5-inch BORA wheel spacers whenever they come in the mail.
 

seb5

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Yup, I'll get some up. It may be tomorrow but I'm on it. I'm using factory wheels. There was no shaving needed either. Once the mudflap brackets were removed a self driller pushed the fender liner back enough. The 2" spacer made it look much better.
 
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SteelBoss6.2

SteelBoss6.2

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Yup, I'll get some up. It may be tomorrow but I'm on it. I'm using factory wheels. There was no shaving needed either. Once the mudflap brackets were removed a self driller pushed the fender liner back enough. The 2" spacer made it look much better.
Yeah thats a tall tire, thats why I was thinkin 305 65s...they are 33x12. Hopefully no rub and I like the wider tires
 

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