Question: want bigger wheels but don't want it lifted.

duramax hd

Member
Feb 27, 2009
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CT
If you dont want to go as wide as trent said with the 305's, you can go 285/55/20's. Thats what i have on mine. Fit perfectly without touching the t-bars.
 

Cornell

LBZ for life
Sep 11, 2006
1,601
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0
Minnesota
I fit my 34.32" tall 285's without rubbing. I actually just had to knick a little bit off my bumper and since I raised the bumpe 2 inches I probably didn't even have to do that. It's not really noticeable though. Biggest thing is the backspacing. My wheels are 9 1/2 inches wide and the bs is 5.39" The only condition I rub is when the suspension is compressed and I'm at full lock to the right. I just need to take a little metal off but too lazy to do it.

My tires are 285/55-22's

I think you could go 285/55-20 no problem, that's a ~32 1/3" inch tall tire.
 

fastgreek

Member
May 20, 2008
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Macungie, Pa
I fit my 34.32" tall 285's without rubbing. I actually just had to knick a little bit off my bumper and since I raised the bumpe 2 inches I probably didn't even have to do that. It's not really noticeable though. Biggest thing is the backspacing. My wheels are 9 1/2 inches wide and the bs is 5.39" The only condition I rub is when the suspension is compressed and I'm at full lock to the right. I just need to take a little metal off but too lazy to do it.

My tires are 285/55-22's

I think you could go 285/55-20 no problem, that's a ~32 1/3" inch tall tire.

is your truck lifted or do you have a leveling kit?
 

03maxpower

New member
Jan 20, 2009
327
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somerset, pa
No Lift, no crank on mine. Just some "adjustments" to the front wheel wells.

This is with 375/50-16 on Weld 10" rims with 4.5 backspace. Which are only 33" tall, but very wide.

attachment.php


I also ran 365/65-16 on this truck with the same rims. They were 35" tall, but an inch or so narrower.

sweet looking ride fingers:coolspot:
 

Alligator

New member
Nov 9, 2006
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N. Idaho
305/50r20 , any bigger will require the bars to be turned up .

Mine are turned down 1", and I have 305/55R20's. It's the backspacing of the wheel that makes it work. I did have a minor amount of trimming on the plastic fender line and the valance, but that was it.
 

Fingers

Village Idiot
Vendor/Sponsor
Apr 1, 2008
1,715
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48
White Oak, PA
what aint so nice anymore? problems from running the big tires?

The truck has never, ever, been babied. It is first and foremost, a work truck. It pulls a 20,000 lb trailer on a regular basis in city traffic here in Pgh, and has not had a bath in over 3 years. The sides are dented and the bed banged up. Tools regularly roll around on the rear seat as well as the passenger foot well. Right now, I have an EGT gauge tie wrapped to the vent. As you might gather, this is all cosmetic.

Mechanically, I would have to say it has stood up well despite my best efforts. The only down side from the wheels has been the shortened life span of the front wheel bearings.
 

2003nastymax

New member
Dec 28, 2009
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i have a 2004.5 LLY with a leveling kit only, i want to put bigger wheels and tires but don't want to lift the truck higher than it is, does anyone know how big of rim or tire i can put on.thanks

diesel.jpg

ive got 22x11 motos on mine with -25offset running a 305/45/22 torsion bars cranked but im planning on lifting mine here in the next week or so
 

2003nastymax

New member
Dec 28, 2009
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ive got 22x11 motos on mine with -25offset running a 305/45/22 torsion bars cranked but im planning on lifting mine here in the next week or so
 

Cornell

LBZ for life
Sep 11, 2006
1,601
0
0
Minnesota
DSC_9996.jpg



My truck is a picture whore... :D But I have 22x9.5" wheels with 34.34" tall tires on them.

They don't rub lock to lock and the only time they do is when I'm half turned either way and I hit a big bump.

edit: I raised my bumper 2" to get rid of the textured black piece. I trimmed my bumper before I raised it and I wouldn't even need it trimmed now.
 
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farky

DIRT POOR FARM BOY
Jan 14, 2010
75
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6
Leesburg, Ohio
Its mostly the backspacing on the wheels, lots of negative back spacing (deep dish) makes the tire rub the bumper & rear inside of the fender. I have 305 50r 20 toyo at on a 20x10 max negative offset wheel they rub a little even with the torsion bars cranked, fender hammered in, bumper trimmed & bushwackers:eek:. Besides that negative offset & big tires aggrivate the piss poor front end even more, wheel bearings, idler arms, 2 sets of lower ball joints, left upper control arm, BLAH BLAH BLAH.


you just convinced me to put my wheels for sale :D