Maximum Tire Allowance - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 13 (permalink) Old 11-30-2007, 05:25 AM Thread Starter
 
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Question Maximum Tire Allowance

hello gang, Im new to the forum and am in the process of selecting several mods for my new 08 2500. It seems that most people say the max tire allowance with a 2.5" leveling kit is 33", however a seemingly very knowledgeable shop recently suggested that I could fit 35" Nittos on 20" wheels without a problem. As many of you can appreciate I am interested in knowing the maximum tire allowance I can put on this truck without having to do more than a leveling kit. Im hoping that some of you can share what you know on the subject.
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post #2 of 13 (permalink) Old 11-30-2007, 10:42 AM
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I think H2 tires/wheels will fit, and IIRC those tires are 35".
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post #3 of 13 (permalink) Old 11-30-2007, 10:52 AM
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better check with your dealer. I have an 07.5 and my dealer told me they are really picky now with warranty exp with the trans. Bigger tires may void your warranty.

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post #4 of 13 (permalink) Old 12-01-2007, 02:27 AM
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I have a 6" lift and I can only get 35's with trimming the bumper. I would be surprised if you could get bigger than 33's


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post #5 of 13 (permalink) Old 12-01-2007, 08:39 AM
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Quote:
Originally Posted by TheBac
I think H2 tires/wheels will fit, and IIRC those tires are 35".
toms always right! H2 tires and wheels fit wonderfully. 315/70/17 (h2 tires) come out to be like 34.6" and you can fit them with no rubbing no problem. just have to do some cutting.

2004 Chevy CC/SB LB7 LT3
EFILive, SC Trans w/ 1058 by me, Traction bars and centerlink braces built by me, Custom adjustable stock wastegate, 6 inch custom exhaust, 1792 Lift Pump, Belltech 3" drop shackles, Black H2's w/ Falken 285/60/17s for summer, BFG 315/70/17s for winter, SD sleeves, DiPricol EGT and Boost gauges on the pillar along with an Aeroforce for rail PSI and trans temp, 2 Kicker Comp CVT 10's w/ memphis amp, t-rex full face billet grille,limo tint, .Oh yeah I'm 20 and I built and tuned it myself.


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post #6 of 13 (permalink) Old 12-01-2007, 08:39 AM
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Quote:
Originally Posted by jetmech
I have a 6" lift and I can only get 35's with trimming the bumper. I would be surprised if you could get bigger than 33's
I am running h2 wheels and 35's so be surprised. lots of people do it.

2004 Chevy CC/SB LB7 LT3
EFILive, SC Trans w/ 1058 by me, Traction bars and centerlink braces built by me, Custom adjustable stock wastegate, 6 inch custom exhaust, 1792 Lift Pump, Belltech 3" drop shackles, Black H2's w/ Falken 285/60/17s for summer, BFG 315/70/17s for winter, SD sleeves, DiPricol EGT and Boost gauges on the pillar along with an Aeroforce for rail PSI and trans temp, 2 Kicker Comp CVT 10's w/ memphis amp, t-rex full face billet grille,limo tint, .Oh yeah I'm 20 and I built and tuned it myself.


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post #7 of 13 (permalink) Old 12-01-2007, 04:58 PM
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Quote:
Originally Posted by tahoedmax
toms always right! H2 tires and wheels fit wonderfully. 315/70/17 (h2 tires) come out to be like 34.6" and you can fit them with no rubbing no problem. just have to do some cutting.
Um, no I'm not.....far far FAR from it....

I had H2s on my 02 with the green keys, some bumper trimming and bumping the wheel well liner in a couple spots. Trouble is, I'm not 100% sure if the new body trucks are the same way. I have seen some pics of NBS trucks with larger tires, but dont know if they've done things the same as the older trucks.
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post #8 of 13 (permalink) Old 12-04-2007, 04:26 AM
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Good to know. What kind of back spacing are the H2 wheels?


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post #9 of 13 (permalink) Old 12-04-2007, 06:15 PM
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Tom is mostly right. Hows that? Im not sure what the back spacing is but they suck in even with the body. 315/70/17's do not hang out at all on them. its awesome.

2004 Chevy CC/SB LB7 LT3
EFILive, SC Trans w/ 1058 by me, Traction bars and centerlink braces built by me, Custom adjustable stock wastegate, 6 inch custom exhaust, 1792 Lift Pump, Belltech 3" drop shackles, Black H2's w/ Falken 285/60/17s for summer, BFG 315/70/17s for winter, SD sleeves, DiPricol EGT and Boost gauges on the pillar along with an Aeroforce for rail PSI and trans temp, 2 Kicker Comp CVT 10's w/ memphis amp, t-rex full face billet grille,limo tint, .Oh yeah I'm 20 and I built and tuned it myself.


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post #10 of 13 (permalink) Old 12-04-2007, 07:02 PM Thread Starter
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are you speaking of stock H2wheels or would any that are made for the H2 work just as well?
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