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Whats The Biggest Tire That Will Fit?


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#1 SSSilverado23

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Posted 12 September 2011 - 12:42 PM

I have a 04 Silverado z71 and i need new tires. I was wondering what the biggest size tire i can put on it without buying a lift kit. Im going to keep my stock rims for now. They are a 17'' rim. I want to see if i can squeeze some 33'' tires on there and get away with it??? Let me know if that would work or whats the largest size i can put on. Thanks

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BlackBear 91+ Octane Custom Tune, Custom Tru Dual Exhaust, Volant PowerCore CAI, 180 Degree Thermo, 4'' Lift, Chrome 18'' Rims 33" Tires, 4.10 Gears, Spray In Bed Liner, Dvd Players Front and Rear

 


#2 sab316

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Posted 12 September 2011 - 01:35 PM

Crank your torsion bars to level it out and you can get some 295/70/17's on there.

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#3 GrapeSoda

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Posted 12 September 2011 - 02:01 PM

had 285/75/16's on my truck before the levling kit and they fit fine. Some people run 315's with the T-bars cranked all the way
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#4 SSSilverado23

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Posted 12 September 2011 - 11:58 PM

So i should be able to put some 295's or 33x12.50's on there? How do you crank the torsion bars up?

2006 Chevy Silverado 2500HD LT CC SB 8.1L
BlackBear 91+ Octane Custom Tune, Custom Tru Dual Exhaust, Volant PowerCore CAI, 180 Degree Thermo, 4'' Lift, Chrome 18'' Rims 33" Tires, 4.10 Gears, Spray In Bed Liner, Dvd Players Front and Rear

 


#5 allen1090

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Posted 13 September 2011 - 03:15 AM

Seeing how I have an almost identical question, perhaps I can add it here. May even help the OP out. :lol:

05 CC with stock 17s wondering if some 285/70/17 will fit fine?

#6 sab316

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Posted 13 September 2011 - 01:44 PM

Seeing how I have an almost identical question, perhaps I can add it here. May even help the OP out. :lol:

05 CC with stock 17s wondering if some 285/70/17 will fit fine?


Yep, sure will.

2006 / LBZ / CCSB / 4X4

5% Tint / H2's / Nitto / Cognito UCA's

Bilsteins / 5" Turbo Back Exhaust / EFI Live


#7 SSSilverado23

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Posted 13 September 2011 - 02:16 PM

Seeing how I have an almost identical question, perhaps I can add it here. May even help the OP out. :lol:

05 CC with stock 17s wondering if some 285/70/17 will fit fine?


Yep, sure will.


will 33x12.50 fit on my stock 17'' rims?

2006 Chevy Silverado 2500HD LT CC SB 8.1L
BlackBear 91+ Octane Custom Tune, Custom Tru Dual Exhaust, Volant PowerCore CAI, 180 Degree Thermo, 4'' Lift, Chrome 18'' Rims 33" Tires, 4.10 Gears, Spray In Bed Liner, Dvd Players Front and Rear

 


#8 dirtfan21

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Posted 13 September 2011 - 02:22 PM

That is really pushing it. Preferably a 9" wide wheel should be used with a 12.5 inch wide tire but many people put them on smaller widths. They just tend to wear weird and look really ballooned. I would stick to a 285/70/17 on stock wheels with just a torsion crank as those may even rub a hair on that setup.

Edited by dirtfan21, 13 September 2011 - 02:24 PM.

acf9d499-d40e-4acc-a7ec-c0eb6cb0bd5f.jpg
2008 GMC Sierra 2500HD, 4x4, 6.0L
Mods: Billet Grille, Leveled
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#9 SSSilverado23

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Posted 13 September 2011 - 02:29 PM

i really want mud grapplers on there and the smallest tire is the 33's. thats why im asking. my other option is the trail grapplers but i just dont like the way they look as much as the mud grapplers. maybe i should do the trails?

2006 Chevy Silverado 2500HD LT CC SB 8.1L
BlackBear 91+ Octane Custom Tune, Custom Tru Dual Exhaust, Volant PowerCore CAI, 180 Degree Thermo, 4'' Lift, Chrome 18'' Rims 33" Tires, 4.10 Gears, Spray In Bed Liner, Dvd Players Front and Rear

 


#10 dirtfan21

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Posted 13 September 2011 - 02:42 PM

Nitto's run big and that Mud Grappler in a 33x12.5 would easily require a 4" lift or torsion crank and 3" body lift. I have the Trail Graps and love them so I would recommend them in a 285/70 to be safe, or you can try the 295/70 but I'm guessing that will require trimming.

acf9d499-d40e-4acc-a7ec-c0eb6cb0bd5f.jpg
2008 GMC Sierra 2500HD, 4x4, 6.0L
Mods: Billet Grille, Leveled
, Full K&N Intake,
285/70/17 Cooper STT's,

Flowmaster Delta 40 Series Muffler, BlackBear Tune, Bilstein 5100's,

LED reverse lights and license plate lights, 5000K HID's


#11 sab316

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Posted 13 September 2011 - 04:35 PM

Nitto's run big and that Mud Grappler in a 33x12.5 would easily require a 4" lift or torsion crank and 3" body lift. I have the Trail Graps and love them so I would recommend them in a 285/70 to be safe, or you can try the 295/70 but I'm guessing that will require trimming.


I don't think a 295/70/17 will require trimming on stock wheels. I could have gotten away with 295/70/17's I think. Especially since he has an '04, there is far more room in those wheel wells than GMT-900's. He might have to trim a little of the front valence, but that would be all.

You can put 33x12.5's on stock rims, though some don't recommend it. Personally I've never had a problem with it. If you want the Mud Grapps get them in a 33x12.5. They run big, but you got a little extra wiggle room to work with since you have the '04 and you can trim some if needed.

Edited by sab316, 13 September 2011 - 04:36 PM.

2006 / LBZ / CCSB / 4X4

5% Tint / H2's / Nitto / Cognito UCA's

Bilsteins / 5" Turbo Back Exhaust / EFI Live


#12 SSSilverado23

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Posted 13 September 2011 - 04:54 PM

Nitto's run big and that Mud Grappler in a 33x12.5 would easily require a 4" lift or torsion crank and 3" body lift. I have the Trail Graps and love them so I would recommend them in a 285/70 to be safe, or you can try the 295/70 but I'm guessing that will require trimming.


I don't think a 295/70/17 will require trimming on stock wheels. I could have gotten away with 295/70/17's I think. Especially since he has an '04, there is far more room in those wheel wells than GMT-900's. He might have to trim a little of the front valence, but that would be all.

You can put 33x12.5's on stock rims, though some don't recommend it. Personally I've never had a problem with it. If you want the Mud Grapps get them in a 33x12.5. They run big, but you got a little extra wiggle room to work with since you have the '04 and you can trim some if needed.


So with a torsion crank on stock rims i could get away with the mud graps? That would be cool! What would i have to trim if that was a problem? The rubber type stuff in the wheel well?

2006 Chevy Silverado 2500HD LT CC SB 8.1L
BlackBear 91+ Octane Custom Tune, Custom Tru Dual Exhaust, Volant PowerCore CAI, 180 Degree Thermo, 4'' Lift, Chrome 18'' Rims 33" Tires, 4.10 Gears, Spray In Bed Liner, Dvd Players Front and Rear

 


#13 dirtfan21

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Posted 14 September 2011 - 08:53 AM

The only personal experience I have on the subject is my 2000 Silverado RCSB had the torsion bars cranked to the moon and a 3" BL to clear true 33x12.5's, on aftermarket Weld's though. Again, when I say clear I mean I can rest easy knowing I will never push fenders in when I am out having fun. I would guess being the same GMT800 platform and just a change in the front clip the space is close on an '04 to what a '00 would was.

With all that said if your goal is to get the Mud Graps then get them and make them work. I personally like functionality over tire size but that does not mean you have to also. :lol:

Edited by dirtfan21, 14 September 2011 - 08:55 AM.

acf9d499-d40e-4acc-a7ec-c0eb6cb0bd5f.jpg
2008 GMC Sierra 2500HD, 4x4, 6.0L
Mods: Billet Grille, Leveled
, Full K&N Intake,
285/70/17 Cooper STT's,

Flowmaster Delta 40 Series Muffler, BlackBear Tune, Bilstein 5100's,

LED reverse lights and license plate lights, 5000K HID's


#14 SSSilverado23

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Posted 14 September 2011 - 06:14 PM

How do i crank my torsion bars up? Do i need Torsion Keys? i see those keys for sell as a leveling kit.

2006 Chevy Silverado 2500HD LT CC SB 8.1L
BlackBear 91+ Octane Custom Tune, Custom Tru Dual Exhaust, Volant PowerCore CAI, 180 Degree Thermo, 4'' Lift, Chrome 18'' Rims 33" Tires, 4.10 Gears, Spray In Bed Liner, Dvd Players Front and Rear

 


#15 SSSilverado23

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Posted 14 September 2011 - 06:15 PM

The only personal experience I have on the subject is my 2000 Silverado RCSB had the torsion bars cranked to the moon and a 3" BL to clear true 33x12.5's, on aftermarket Weld's though. Again, when I say clear I mean I can rest easy knowing I will never push fenders in when I am out having fun. I would guess being the same GMT800 platform and just a change in the front clip the space is close on an '04 to what a '00 would was.

With all that said if your goal is to get the Mud Graps then get them and make them work. I personally like functionality over tire size but that does not mean you have to also. :thumbs:


How do you like your 3'' body lift?

2006 Chevy Silverado 2500HD LT CC SB 8.1L
BlackBear 91+ Octane Custom Tune, Custom Tru Dual Exhaust, Volant PowerCore CAI, 180 Degree Thermo, 4'' Lift, Chrome 18'' Rims 33" Tires, 4.10 Gears, Spray In Bed Liner, Dvd Players Front and Rear

 





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