Duramax Diesels Forum Truck of the Week
Old 07-06-2019, 08:11 PM
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Summit_Rider Summit_Rider is offline
Join Date: Jun 2016
Posts: 49
Default Tire size?

Iím sure this has been discussed a thousand times. I apologize in advance. Iím not having much luck finding past discussions about it. I have an 04 ccsb 2500 hd thatís leveled that I bought a set of 20x9 +18 wheels for. Obviously I need load range e tires. Iím leaning towards nitro terra grapplers. Which one of these sizes should I get: 265/60r20 = 32.52 x 10.71
285/55r20= 32.36 x 11.69
295/60r20= 33.94 x 11.77
305/55r20= 33.23 x 12.44
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Old 07-06-2019, 08:54 PM
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zakkb787 zakkb787 is offline
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265s will look small on a leveled truck. I have 33x12.50 on mine with same spec on wheels and not fully leveled. Doesn’t really rub. Just trimmed the lower valence and had to heat the inner liner at the wiper reservoir. Any of the other sizes will be fine. 295s May rub a bit.
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Old 09-11-2019, 07:02 PM
dieselfan dieselfan is offline
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You can easily fit 285's without any issues. My friend is running 20x9 american force wheels with 305/55 tires. He did some slight trimming.
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Old 09-12-2019, 08:07 AM
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RobsDmax RobsDmax is offline
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295 or 305 if you are cool with a little trimming, likely none but maybe a bit. 285/55 will clear no issue.
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Old 09-12-2019, 08:22 AM
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JoshH JoshH is offline
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I run a 285/55R20 on my truck very slightly lowered on a 20x9 +0 wheel. They wear very well and have the slightest rub on the inner wheel liner just every once in a while. I think a 295/60 would fit well and look good on a leveled truck with a +18 offset. For what it's worth, I'm on my third set of Terra Grapplers in the size I stated earlier, and I have gotten 46-48k miles out of both sets. The second set was changed with a little life left in them because I had a sidewall puncture when I was almost to the point of changing them anyway. This new set is their new G2 version, and they seem to be wearing just as well as the first two.
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