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Old Jan 21, 2015 | 11:08 AM
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USNAVYORDNANCE's Avatar
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Rock Crawling
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Default Tire Size

I'm looking to get new tires very soon and wanted advise on the size. What is the biggest possible tire I can squeeze in with a 2-3 inch lift (came lifted). I'm not exactly sure on my lift size but I do know it is lifted as I parked next to another D1 with stock suspension and mine was noticeably higher. I don't mind a little fender trimming as I plan on running fender flares anyways. I'm running 265/75/16 BFG AT's right now and still have plenty of room so I'm thinking a 285/75/16 will be good but really want a 305 or 315/75/16. Would it be possible with my current configuration? I did pick up some 2 inch steel coil spring spacers($15) the other day for the front of my D1 to level it out. They were for a Dodge Ram but they fit the circumference of the D1 springs and I will drill them accordingly to fit my rig so they don't move around on me. I'll post pics of the spacers later.

I plan on buying either BFG KM2's, Goodyear MTR's, BFG KO's, Toyo MT's or Nitto Trail Grapplers.
 
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Old Jan 21, 2015 | 12:12 PM
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No idea on tire size, but I've read enough threads to suspect that you are, or are very close to needing to address your drive shaft and axle positions (radius arms-front, lower links-rear).
 
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Old Jan 21, 2015 | 12:29 PM
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They're good. Already checked. Thanks for the tire input tho
 
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Old Jan 21, 2015 | 01:00 PM
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I can't tell you exactly what tire size will fit, but I use this site all the time. Makes crunching and comparing the numbers for multiple sizes a snap.


Tire Size Calculator
 
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Old Jan 21, 2015 | 04:02 PM
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Here's a general guide on our Disco's. Anything bigger than a 33 is going to need beefed up axle gear. Basic Tire Information - Land Rover Forums : Land Rover and Range Rover Forum
 
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Old Jan 21, 2015 | 04:05 PM
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I'll try to chime in more later, but I will warn you're venturing into very expensive territory.
 
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Old Jan 21, 2015 | 04:53 PM
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Thanks for the info guys. Sticking with the 285/75/16's. Good sized tire and no modification required with my current setup. Bought 5 new Nitto Trail Grapplers. I've ran this tire before in a 37 and loved them. I'll post pics once they're mounted.
 
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Old Jan 21, 2015 | 05:30 PM
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New shoes.

I had a OME lift I guess. Lol. Really hadn't look close enough before. I obviously inspected the axles and associated mounts but never paid attention to the brand.
 
Attached Thumbnails Tire Size-img_20150121_151409.jpg   Tire Size-img_20150121_151422.jpg   Tire Size-img_20150121_153203.jpg  

Last edited by USNAVYORDNANCE; Jan 21, 2015 at 05:41 PM.
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Old Jan 21, 2015 | 08:24 PM
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Pics of the new tires all mounted up. Slight rubbing at the bottom front plastic tip of the slider. Had my cordless cutoff at the ready and trimmed it. No mo rubbing

Here is a pic of the coil spacers I picked up for the front. Very pleased with these tires. Great Street manners and I know they will do great offroad as I've ran them before.
 
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Old Jan 21, 2015 | 08:25 PM
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Looks like you've already made up your mind but.....
I've had a lot of different tires/sizes.
1) 265/75/16 GY DuraTracs on 2" lift. Great tire. Had to adjust steering stops to prevent radius arm rub at full lock. Camel Cut front and rear to prevent body damage on articulation.

2) 265/70/16 GY Authority's on 2.5" lift. Didn't run this setup long enough to form an opinion.
3) 235/85/16 Toyo Open Country on 2" lift. This was my brothers truck that I now daily drive. Less aggressive tread and narrower with noticeably less rolling resistance. No camel cut needed in front. Could use one in the rear because part of the lower rear quarterpanel is ripped from tire contract. No adjustment needed to steering lock. Drives great.
4) 315/75/16 BFG KM2's on 3-3.5" lift. Needed a bigger lift to run these which introduced a whole host of other issues to fix. Larger tire necessitated regearing the diffs and lockers to strengthen them. WIDE tire for a D1. I run wheel spacers and still had to adjust steering stops. Camel Cut front, everything below the trim gone in the back. Inner part of rear wheel arch by where the first door seal is needed to be cut out. Tires BARELY clear when stuffing. They actually rub where the inside wheel well meets the flat cargo tub in the rear. These tires are HEAVY and have a lot of rolling resistance. BUT, with these tires and full lockers it was a beast off(and on) road.

With your tires you'll need to do a camel cut front and rear and adjust steering stops. You will probably need to trim the inside of the rear arches near the doors. You can do fender flares if you want, but they aren't needed.

Here's a comparison pic of my D1's, from left to right:
2" lift-235/85/16, 3.5" lift-315/75/16, 2.5" lift-265/75/16


For trucks that will see a lot of road and some trail use I think a narrower tire, like 255/85/16, is a good choice. My next set of tires will be something narrower in the 34-35" range.
 
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