2007-11-26 14:05:38 · 8 answers · asked by cleind 1 in Cars & Transportation ➔ Maintenance & Repairs
Well that depends since you are not giving complete descriptions of the sizes.
LT285/75R16 122/119R Load Range D is a fairly common upgrade for Chevy truck owners who think their wheel wells are not full enough. Overall diameter for this size of tire will typically run from 32.7 to 32.8 inches depending on brand and model although the BFG All-Terrain T/A KO's run a massive 33.0 inches. Load capacity is 3,000 lbs at 65 psi.
LT305/70R16 118/115R Load Range D has a slightly greater section width which should also translate into a greater tread width, all things being equal. Section height is slightly lower. Overal diameter, at least for the aforementioned T/A KO's is the same at 33.0 inches but can range from 32.9 to 33.1 inches depending on brand and model for other tires in this size. Remember, just because tires are the same size doesn't mean they are the same size. Load capacity of this tire is less however at 2,910 lbs at only 50 psi. Trucks that require higher inflation pressures should not use this tire. There are a few LT305/70R16 124/121R Load Range E applications out there with a load of 3,525 lbs at a higher 65 psi.
2007-11-27 01:22:37 · answer #1 · answered by Naughtums 7 · 0⤊ 0⤋
This Site Might Help You.
RE:
whats the difference in tires between 305/70-16 and 285/75-16 if both overall dimensions are 33.1"?
2015-08-07 18:17:57 · answer #2 · answered by Anonymous · 0⤊ 0⤋
305 70 16 Tires
2016-12-18 03:16:36 · answer #3 · answered by Anonymous · 0⤊ 0⤋
285 70 16
2016-11-05 06:56:30 · answer #4 · answered by ? 4 · 0⤊ 0⤋
the sidewall profiles are about the same but the width is different.
One tire is 305mm wide and the other is 285mm wide
overall diameter of wheel = diameter of rim + (2*aspect ratio*width of tire)
just have to do proper metric and standard conversions
the aspect ratio is the 70 and 75 which means the sidewall is 70% and 75% of the width respectively. The 2 is for the fact that you have two sidwalls when you measure diameter..
2007-11-26 18:48:26 · answer #5 · answered by Corey the Cosmonaut 6 · 0⤊ 0⤋
Both tyres have a sidewall height of 213.5mm (70% of 305 is the same as 75% of 285), so the only difference is that the 285 tyre is narrower (285mm instead of 305 mm.)
Good luck!
2007-11-26 14:11:16 · answer #6 · answered by Me 6 · 5⤊ 0⤋
width and profile
2007-11-26 14:08:10 · answer #7 · answered by Big Deal Maker 7 · 0⤊ 0⤋
The ausie has it right.
2007-11-26 15:49:13 · answer #8 · answered by Bert from Brandon 5 · 0⤊ 0⤋