big tires on dually

whats the widest size tires u can run on stock 6.5 inc wide dually rims?  
solid axle chevys cant be beat
78 K5: 350 V8,700r4,np208, 8 lug D44 4:88, 14 bolt 10.5 4:88 with detroit locker and 35 inc parenelli jones dirt grip tires

Hey Man not a Pro here but Ive been talking to some offroad shops around and they have run 12.50 and 13.50 on a 6" wide rim which is the stock size on some dually rims. Im in the process of installing 37x12.50x17 on my dually and will let you know how it goes.

Good Luck  
Dodge The Father, Ram the Daughter

37s on a dually will look bad ass!!!!!!!!!!  I have heard different things about mounting big tires on dually rims, ive seen 12.50s like u said on 6 inc wide and then other people say that the tires wear abnormaly and other issues happen so they tell me if i want to lift my dually or put
35s on it i have to buy custom wider dually rims but thats gonna be expensive.  
solid axle chevys cant be beat
78 K5: 350 V8,700r4,np208, 8 lug D44 4:88, 14 bolt 10.5 4:88 with detroit locker and 35 inc parenelli jones dirt grip tires

The thing you have to carefull of when running big tires the back of a dually,is dont let the side walls touch between the rear tires. It will eventualy eat the sidewalls out and it blow out time.  

wow i can't belive they brought this back up but anyways the dually now has 265/70/17 tires and NO they don't rub sidewalls even when loaded down like someother people said they would.....  
solid axle chevys cant be beat
78 K5: 350 V8,700r4,np208, 8 lug D44 4:88, 14 bolt 10.5 4:88 with detroit locker and 35 inc parenelli jones dirt grip tires

Earlier this week I made a 540 mile round trip and most of it was in bad weather with slick roads from snow and sleet. I saw several dualie pickups spun out and in the ditch.  One had even ground looped several times before slamming into guard rail backwards.  They did not look so cool then.  

why did they have these accidents, from my expericne a dually is more stable than a srw truck espicially when towing.....  
solid axle chevys cant be beat
78 K5: 350 V8,700r4,np208, 8 lug D44 4:88, 14 bolt 10.5 4:88 with detroit locker and 35 inc parenelli jones dirt grip tires

Geo450racer:
why did they have these accidents, from my expericne a dually is more stable than a srw truck espicially when towing.....

youd think that right well from what i understand a dually just doesent get good traction in the snow, i'm geussing that the wide tires in the back have something to do with it  
2005 Chevy 2500HD, 12 inch Lift SAS, 4 link, Dana 60 5.13s, 14 Bolt 5.13s 40 inch Trxus STS tires.

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The wide tread contact area/lower surface pressure is bad on a slick/icy/snowy surface. Plus the fact the tires are locked together in a dualie when a turn starts it forces tires to break traction in the dual because they cannot take a difference in rolling radius in a turn between the two tires in the dual so they have to slip. This is okay on a surface with good traction but not when it is marginal.  

they do quite well with iroks and boggers when the tread is @ or over 50%, snow, ice, water.. an they just love mud. I'd much rather drive the dually to town on the ice than the jeep btw..

wondering I know this?.... experience, big rubber and huge wide spread lugs.
if yer a nay sayer, it's cuz ya never had one and yer pointing fingers at the guy with bald or all terrain tires

mine has 39.5/13.5's



 
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You do have a death wish but that big yacht with its longer wheel base would tend to be more forgiving (lessor of two evils)on ice than a Jeep that can be a heart attack with its short wheel base and light rear. I once watched two Wranglers wreck on same overpass on interstate about 1 minute apart. First one spun out and went into ditch and second one spun out and hit first one in ditch. It was a real mess. The only reason the guy in ditch survived is because when he stopped the passenger side was facing impact (no passenger) and it was caved into tranny tunnel on that side. Driver was bloody but but mostly okay otherwise. I stayed with him until ambulance arrived and he really thanked me for staying with him. Did not even get his name or did he get mine. No way I would drive one of those on ice at any kind of speed without studded tires of chains.  

SPEED, has a huge factor in this too so dont forget! just because someone has huge nobby tires on their rig doesnt mean theyre gonna stick to the ice.it takes just one jerk of the wheel and your along for the ride!
Also a little tip but when you come to a red light or stop sign I always tend to put rig in nuetral to keep power off of the drivers so I can stop easier.  
IT WASNT ME, IT WAS THE ONE ARMED MAN!

This helps but shorter wheelbases are more twitchy on ice  because when rear end slides a bit it has a greater impact on vehicle direction and over all stability than with a much longer wheelbase. A good rule of "thumb" is that you want wheel base to be at least 2x the width of track at center of wheels for better stability on slick surfaces. The longer the better.  

lol, ya, the wranglers prolly has LSD's in em. It's hard to beat what a wrangler can do but theres times it's better off in the driveway, especially if it has a lsd of some sort.  
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see me at robsoffroad.com

keithpapa:
SPEED, has a huge factor in this too so dont forget! just because someone has huge nobby tires on their rig doesnt mean theyre gonna stick to the ice.it takes just one jerk of the wheel and your along for the ride!
Also a little tip but when you come to a red light or stop sign I always tend to put rig in nuetral to keep power off of the drivers so I can stop easier.

generally speaking an all terrain has better stoping power on the ice. on deep water and slush the a/t floats instead of dispersing the water. I always keep some power to the wheels when braking just enough to avoid compression braking in some situations.  
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see me at robsoffroad.com