Tire size on stock burfeild

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Aug 16, 2003
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granite falls WA.
I was wondering up to what size tire can the stock birfeild joints handle. i beleive i was told up to 35 inch, or is 33s a better choice. i am looking into lift and new tires but dont want to upgrade birfeilds yet. i drive about 75% street and 25% off road if that helps. THANKS IN ADVANCE!!
 
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Dec 20, 2003
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54" Michelin if you have a light foot...........30" tires have broken several axles if a lead foot is involved...
:cheers:
 
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Jun 13, 2003
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Your only possible option is to go with volvo portals. It is the onle axle that willl match your power band.... :flipoff2: Any and all bierfs will break. They will break more often with big tires. They will break all the time with big tires and a SBC.
 

woody

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Longs are a great investment....especially since every axle break I've had also trashed the inner axle...

I busted 3 stock birfs and 2 newfields with 33" tires. I know people who have broke with 31's. Driving style and knowing when they will break is the only "safe" option...or upgrading to something more or less unbreakable...lol
 
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Central, Utah
It is all in the right foot and wether or not you run a locker in the front. On my trail rig I'm running 35s with stock birfs and open diff up front. It sees more boulder washes and rockcrawling than it does hiway. I have a couple spare birfs but haven't needed them yet. Others have broken in my tracks. Can you say finesse. Like woody says "driving style".
 
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arnold, CA
the weakest point when you are at full lock to one side. Just making sure
 

woody

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[quote author=cali-cruiser link=board=1;threadid=9297;start=msg81400#msg81400 date=1072682986]
the weakest point when you are at full lock to one side. Just making sure
[/quote]

100% agreed - and worse when backing up....Longfields have been my cure tho, I've driven my 38.5 tires HARD at full lock, the tires skipping on a rock and deflecting damn near to the rim, and the longs held. Hell, I even had one trip this past fall where I WANTED to bust them, and ended up shearing the 6 lockout studs/2 pins instead....even my stock inners held up.
 
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[quote author=woody link=board=1;threadid=9297;start=msg81441#msg81441 date=1072702198]
...had one trip this past fall where I WANTED to bust them, and ended up shearing the 6 lockout studs/2 pins instead...
[/quote]

WOODY, You're an animal :D
 

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