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Discussion Starter #1
I have 35x12.5-15 on 15x8's (no bead locks). What is the lowest psi that I can run with out the tires coming off the wheel?
 

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3 bar
<IMG SRC="smilies/rolleyes.gif" border="0">
 

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35 12.5's on 8's... hmmm...

I would say
15 lbs... not a problem
10 lbs... pretty safe
8 lbs.... pushing it
5 lbs.... heavy rock crawl'n, likely to loose a bead.
 

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Originally posted by Loppy:
<STRONG>35 12.5's on 8's... hmmm...

I would say
15 lbs... not a problem
10 lbs... pretty safe
8 lbs.... pushing it
5 lbs.... heavy rock crawl'n, likely to loose a bead.</STRONG>

I disagree...I used to run 8 lbs with 33x12.50's on 12 inch rims <IMG SRC="smilies/eek.gif" border="0"> Never once threw a bead <IMG SRC="smilies/thefinger.gif" border="0">
 

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Originally posted by Keith Strong:
<STRONG>
I disagree...I used to run 8 lbs with 33x12.50's on 12 inch rims <IMG SRC="smilies/eek.gif" border="0"> Never once threw a bead <IMG SRC="smilies/thefinger.gif" border="0"></STRONG>
It's kinda hard to loose a bead in your driveway though! <IMG SRC="smilies/thefinger.gif" border="0"> J/K <IMG SRC="smilies/wink.gif" border="0">
 

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BAAAAAAAAAAAaaahahahahaha... Rok dude!

Mabe not Keith, But you sure ate the shit out of those wheels!

And I think you just got lucky. Either that or you guage is off <IMG SRC="smilies/thefinger.gif" border="0">
 

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Originally posted by RokHeep:
<STRONG>It's kinda hard to loose a bead in your driveway though! <IMG SRC="smilies/thefinger.gif" border="0"> J/K <IMG SRC="smilies/wink.gif" border="0"></STRONG>
Touche <IMG SRC="smilies/thefinger.gif" border="0">
 

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Originally posted by Loppy:
<STRONG>
Mabe not Keith, But you sure ate the shit out of those wheels!
</STRONG>
I am pretty good at that...BTW, can I borrow your wheels again? <IMG SRC="smilies/thefinger.gif" border="0">
 

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When I go play in the snow I run my 35x14.5 mickeys at 0 psi. Those things don't even bulge. I run about 8 psi on the rocks though.


Oh, and I've never lost a bead. <IMG SRC="smilies/flipoff.gif" border="0">
 

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A lot of it depends on the construction of your tire. I ran my 2ply side wall "Pep Boys specials" down to 10psi and they started to look scary. I was pinching the side wall and riding on the rim a bit. We have mostly a clay base slick stuff here so I never lost a bead, On good traction I'm sure I would have, I actually got a pebble past the bead into the tire w/o losing it!

If you run a 3 ply wall you can go a little lower and I know guys running big, bad bias plys with about 3psi in them and keeping the beed. wheel size does help to, a narrow whell with a wide tire helps it to keep the bead.
 

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The sidewalls on my buddys radial TSLs really seem to flex a lot more than my bias ply TSLs. Seems to me that the type of tire (bias vs. radial) would make a difference. BTW, I can run about 7 PSI and have never slipped the bead.
 

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Discussion Starter #13
Originally posted by DanCJ:
<STRONG>The sidewalls on my buddys radial TSLs really seem to flex a lot more than my bias ply TSLs. Seems to me that the type of tire (bias vs. radial) would make a difference. BTW, I can run about 7 PSI and have never slipped the bead.</STRONG>
I have MTR's.
 

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Originally posted by Keith Strong:
<STRONG>I am pretty good at that...BTW, can I borrow your wheels again? <IMG SRC="smilies/thefinger.gif" border="0"></STRONG>
HELL NO! You can find rocks in the middle of the ocean. <IMG SRC="smilies/biggrin.gif" border="0">
 
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