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Old 03-28-2006, 05:50 PM   #1 (permalink)
maxedout
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22.5's on dually what size tire

What size tire will fit on a dually with 22.5's with just the leveling keys?
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Old 03-28-2006, 06:17 PM   #2 (permalink)
Rcher
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I have 245's on mine but are 19.5". I think the 245's are about the biggest you can go without a lift, you still may need to trim the front valance a little.
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Old 03-28-2006, 06:46 PM   #3 (permalink)
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Quote:
Originally Posted by maxedout View Post
What size tire will fit on a dually with 22.5's with just the leveling keys?
People are putting 255/70/22.5 with some cranking of the T/B.
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Old 03-28-2006, 07:34 PM   #4 (permalink)
Akila
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I thought I saw somebody parting out his truck & he had some of those Gigantors on there. Could be mistaken.
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Old 03-29-2006, 11:43 AM   #5 (permalink)
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That is going to be the roughest riding truck in the world with semi truck tires on a pickup. They will jar you teeth. Probably going to notice some serious power shortage unless you geared it down. Also, the brakes are going to feel much different. will have a hard time slowing down all that reciprocating mass of those heavy wheel tire combos.

I would be surpirsed if you get those tires and wheels under there without a lift. I would think they would rub. A 255/70R22.5 is about 36.7 inches tall. A stock tire is about 30 inches. That is a huge increase. The weight is what is going to be even more huge and cause more issues.
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Old 03-29-2006, 05:00 PM   #6 (permalink)
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already have 11R22.5's with 9" CST lift

I have 11R22.5's on it now with 9" CST lift and the ride is great. Power is also fine as are the brakes. The 11R's are 42" tall I just don't like the height because I need to pull a 32' gooseneck equipment trailer.
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Old 03-30-2006, 10:59 AM   #7 (permalink)
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I would think the long term effects of that big of tire on a truck that is not designed for that much weight is increased costs all across the board. All the suspesion parts will have to fratigue quicker. Those tie rods are not made to hold all that mass in a straight line. Any piviot point under there is going to really be stressed. Unless you gear it down, your power has to suffer as well as fuel mileage. Swinging all that mass takes power and fuel.
If you are running that overloaded that you need those tires, how are you not getting tickets from our friendly DOT?
On that same thought, if you have that much to haul, wouldn't you get a Top Kick or something like that since it is made for that kind of load? All the suspension and bearings and axles are made for that sort of load/tire.
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Current Rigs:
2006 8.1L GMC 3500 Allison 6 speed 4X4, Reg Cab longbed single rear wheel, 4.10 locker.
265/75R16 Michelin LTX A/T-2. 180 Tstat and plug mod.
Air Box opened. True dual exhaust with an H pipe, two 3inch Dynomax Super Turbos.
2013 Ford F-150 Fwd Super Crew. Ecoboost. 3.55 E Locker gear.
72 Chevy Custom Deluxe fully restored. The actual truck I had in high school.

Past Rigs:
2000 Chevy 2500 Reg Cab 454 3.73 gears. Gone Oct/2001
2001 Chevy HD 2500 Reg Cab 4X4 8.1 ltr 4.10 gears. Gone 12/2003
2004 GMC 3/4 Regular Cab 4X4 Dmax. Gone 4/2005
2005 Chev 3/4 Regular Cab 4X4 Dmax. Gone 9/2006
2005 1/2 ton Silverado 4dr 4X4 Gone 3-2007
2007 1/2 ton Silverado 4 door, Gone 6/15/10.
2010 Ford F-150 Super Crew 4wd, Gone 12/28/12
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Old 04-03-2006, 12:24 AM   #8 (permalink)
Blown98Roush
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Damn, ease up a little. You keep talking about all the rotating mass, or reciprocating mass as you put it, but you don't realize that anytime you put bigger tires (whether they're off-road or semi tires) on a truck, you have more rotating mass. Why not go tell everyone asking about bigger off-road tires that they're making a mistake and are going to regret it?

As for how he doesn't get tickets from the DOT for being overloaded, how do you know that he is overloaded? All he said was that he has 22.5's and you automatically assume that he's overloading his truck. How about all the bagged 3500's running around with 22.5's? I highly doubt they're in danger of overloading their trucks, but I'm probably wrong. Afterall, why else would someone put 22.5's on their truck? Could it be that they like the way it looks? NEVER.

I don't know maxedout and have no idea what he uses his truck for, why he wants 22.5's, or how much he pulls with his truck. My point is that you don't either, so please stop assuming. It's a simple question that he had and instead of just being quiet if you didn't have something useful to add, you decided to lecture him on why he shouldn't run those tires and how they're bad for his truck.

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Old 04-10-2006, 12:23 PM   #9 (permalink)
flduramax
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I have 22.5" and had clearence problems when just turning up the torsion bars. You can make them fit, just need to trim the back of the wheel well and move the bumper forward or trim it too.
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