Tire sizes for dually wheels - The 1947 - Present Chevrolet & GMC Truck Message Board Network

CCCC · 09-13-2007, 11:33 PM

I have gradually acquired five 1 ton (ChevC30 and GM3500) trucks (all dually) and the tires sizes are varied to the point where I need some knowledge and advice. I need to buy a set of six, and would like to begin standardizing on the best size for these rigs. Two are chassis mount campers (heavy), one has a heavy welder mounted, one is a wrecker and one a flat bed (the lightest load factor).

One has size LT 7.50x16, another has LT215 85R 16, and another has 215 85R 16, and etc. Is there one size that is better for these trucks - if a person were going to try to get down to one size, what would be the best way to go?

Second question: On a on-ton GMC (1970) with single rear wheels and currently 16.5 in. wheels, what tires are the best for the 16,5 in. wheel, or would you reccomend going to 16 in. wheel?

All info and advice will be appreciated.

PDW

09-13-2007, 11:33 PM	#1
CCCC Registered User Join Date: Mar 2007 Location: San Pedro River, SE Arizona Posts: 734	Tire sizes for dually wheels I have gradually acquired five 1 ton (ChevC30 and GM3500) trucks (all dually) and the tires sizes are varied to the point where I need some knowledge and advice. I need to buy a set of six, and would like to begin standardizing on the best size for these rigs. Two are chassis mount campers (heavy), one has a heavy welder mounted, one is a wrecker and one a flat bed (the lightest load factor). One has size LT 7.50x16, another has LT215 85R 16, and another has 215 85R 16, and etc. Is there one size that is better for these trucks - if a person were going to try to get down to one size, what would be the best way to go? Second question: On a on-ton GMC (1970) with single rear wheels and currently 16.5 in. wheels, what tires are the best for the 16,5 in. wheel, or would you reccomend going to 16 in. wheel? All info and advice will be appreciated. PDW __________________ CCCC 67 Sting Ray Coupe 327 4sp; 68 K10 Suburban 327 4sp; 69 K20 Lifted 383 4sp; 69 C80 Fire Truck 478 V6 5sp/2sp; 69 C20 Longhorn 327 4sp; 70 C30 Wrecker 350 4sp; 70 C30 Flat Bed 350 4sp; 71 C20 LWB 350 4sp; 72 K5 Blazer 350 4sp; 72 C30 Flat Bed Gooseneck Hauler with sleeper 350/TH400; 72 C20 Longhorn 402 4sp; 52 Mack LTL Supercharged Cummins 5sp x 3sp; 01 Dodge 5.9 HO Cummins 6spd; 02 Safari Trek 2430 8.1 Vortec on Workhorse Chassis; 03 Silverado 2500 HD 4wd Duramax/Allison Moved but still in the family 70 C20 Custom Camper 350/TH350; 72 K5 Blazer CST Highlander 350/TH350 Recently sent to new homes 72 C30 MoHome 402 4sp; 72 K5 Blazer Conv 350 4sp; 75 GMC 6000 Aerial 350 w Allison; 72 GMC 3500 Utility 350 4sp; 70 GMC 3500, 350 4sp



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