with an 8 inch and the BFG in a 245-75 I would think about 20-24 , you could possibly go lower depending on the type of wheel also since that at times makes a difference,
your main problem is the wheel width but you already know that
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| Airing down BFG TA K/O LT245/75/R16E tires on 8" rims http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=8&t=57634 |
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| Author: | Draco [ Sun Dec 19, 2010 1:00 am ] |
| Post subject: | Airing down BFG TA K/O LT245/75/R16E tires on 8" rims |
As you might guess from the subject, I own BFG TA K/O LT245/75/R16E tires and they're mounted on 8" rims. The problem is, the spec range of rim widths for that tire is 6.5 to 7.5", see http://www.bfgoodrichtires.com/assets/pdf/all_terrain_ta_kd.pdf. If I had known that I would have bought different tires as there are similarly sized tires from other manufacturers that are spec'ed to work with 8" rims. I originally bought those rims for 255 mm width tires. The tires work great, and I'm not worried about running them under normal pressure (say, 35--40 psi). But I'm afraid to air them down and maybe blow the bead. Any thoughts on how low I can go without blowing the bead? 25 psi is surely safe. I'd like to go as low as 20 but would be afraid to go to 15. For anyone reading quickly, the point is that the tires are designed for a narrower rim, so they need some pressure to push the bead out to 8". So it doesn't seem they can be aired down as much as a tire designed for a wider rim. ??? |
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| Author: | tommudd [ Sun Dec 19, 2010 1:25 am ] |
| Post subject: | Re: Airing down BFG TA K/O LT245/75/R16E tires on 8" rims |
with an 8 inch and the BFG in a 245-75 I would think about 20-24 , you could possibly go lower depending on the type of wheel also since that at times makes a difference, your main problem is the wheel width but you already know that
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| Author: | ATXKJ [ Sun Dec 19, 2010 9:53 am ] |
| Post subject: | Re: Airing down BFG TA K/O LT245/75/R16E tires on 8" rims |
I've heard the Rubi Moab rims are designed to hold at lower pressures - don't know how low and you'll probably have to drop it enough to blow a bead before you know for sure - i.e. Trial and error works - but the errors can be painful. |
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| Author: | tommudd [ Sun Dec 19, 2010 10:09 am ] |
| Post subject: | Re: Airing down BFG TA K/O LT245/75/R16E tires on 8" rims |
duh should of read what he had  ATXKJ, I have heard the same about Moabs |
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