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Help deciphering BFGs size chart


 
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mrbillishere
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Joined: 25 Oct 2008
Location: Orlando, FL

PostPosted: Sat Oct 25, 2008 12:15 pm    Post subject: Help deciphering BFGs size chart Reply with quote

Hi. I have an '04 WJ Laraedo SE with the stock 16x7 rims.

Earlier I upgraded my shocks and springs using the OME/Old Man Emu heavy duty complete set, link here. The shocks were due and the springs were a nod toward the crappy rear-end droop I'd get when I hauled heavy stuff in the bed, which seems to be every weekend.

I mention this because it added a bit of lift. I haven't measured it but their site says the OME springs give you about 1.25"-1.5" lift so let's assume that's right.

So now it's time to buy new tires. I'm not looking to replace my wheels. I have had good luck with BF Goodrich tires on my other Jeeps so I'm looking at the AT KO's.

The thing is, I am no expert at interpreting their size chart, link here. I really need to get this thing figured out so I can shop around for the best price.

If I'm reading the BFG chart correctly, I think I can fit either the

LT24575R16/E
LT255/70R16/D
or,
LT26570R16/D

tires without being worried about rubbing, etc. because If I'm reading it right, each tire is < 31" do you agree?

I'm not sure I understand the "Section Width on Measuring Rim Width" column though. That column talks about "xxx on 7", "yyy on 7.5", "zzz on 8" ... So for example, is that the effective width on each size rim, and am I to assume they're giving us the recommended rim width there too?

In terms of usage, I am in FL atm and thus rain, dirt and sand are most common. I may be returning to Chicago however, where mud and snow would come into it.

The LT265/70R16/D tires seem to fall in the center of the three in terms of load-carrying capacity and fwiw it looks like they come standard on some Chrysler vehicles so perhaps they would be easier to find in stock.

So, anyone who has experience with this, I'd appreciate your feedback. Do you see any red-flags jumping out if I go with the LT265/70R16/D size?

Thanks!
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ehirner
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Joined: 01 Jan 2004
Location: Eastern PA

PostPosted: Sat Oct 25, 2008 4:52 pm    Post subject: Re: Help deciphering BFGs size chart Reply with quote

mrbillishere wrote:
I'm not sure I understand the "Section Width on Measuring Rim Width" column though. That column talks about "xxx on 7", "yyy on 7.5", "zzz on 8" ... So for example, is that the effective width on each size rim, and am I to assume they're giving us the recommended rim width there too?

Section Width on Measuring Rim Width is the overall width of the tire from sidewall to sidewall on a specified wheel width. The same tire on a narrow wheel will have a slightly more narrow section width than when it is mounted on a wider wheel.
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