valoflyby wrote:
Take this chart w/ a grain of salt.
First, isn't there an important measurement missing here? (Inasmuch as Libertys come w/ either 16 or 17" wheels)
So we have to assume that this chart is for 16" wheels?
Yeah, these are all assuming 16" wheels, which is what most liberties are. You can calculate the diameter of the tire and go back to see what the size would be on a 17" (or 15") rim.
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For example, if we take the 215/70, that's 215mm @ 70% aspect ratio + wheel size. So, 215mm / 25.4mm/in = 8.46 inches. Then for height, 16 inches (wheel) + (8.46 + 8.46 x 70%) = 16 in + 11.85 = 27.85. If you're running a 17 inch wheel, then obviously you're going to have a 28.85" high tire.
Good example, and yes, you're right, all bets are off when you try to use this chart for a 17" rim, it just doesn't apply at all.
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The SECOND important thing to realize is that this chart is for the BFG All-Terrain T/A KO's. This chart is irrelevant for any other make and model tire.
The title of the chart is misleading. I believe that somebody just used a tire size chart and added the "this fits" "this fits with rubbing" notes on the side. They didn't actually test the BFG TA/KO, I don't believe, but it's more a common tire size estimate. Different tires will have slightly different diameters, and the tread patterns can affect the size/rubbing, too. This is more of a guideline.
Also, while we're poking on the chart, the 275/70R16 snuck in there, I'm pretty sure that won't fit without a crazy spacer, 265 is the max width I've heard of under a liberty. The other tires are all accurate in the descriptions of fit. Smaller aspects on wider tires are also a possibility (255/65 265/65, something like that), but those aren't often seen.
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Jeff 2005 Jeep Liberty Renegade
4x4, 6spd, Leather, Sunroof, trak-loc, skids/rails, hitch+shackle, hooks, Alpine/iPod, Thule, GPS, CB, Frankenlifted w/ 31" MTRs
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