| Author | Message | ||
     michael harrington (Mike97d1) New Member Username: Mike97d1 Post Number: 1 Registered: 07-2003 |
i just lifted my 97 disco and can't decide between 245/75 or 235/85. i don't mind cutting the body,i just don't want to lose all my wheel well clearance.also any word on the yokohama geolander at's. | ||
| Steve Rupp (Steve_rupp) New Member Username: Steve_rupp Post Number: 4 Registered: 03-2003 |
I like tall and skinny. Better all around. You may need to trim a very little in the rear but don't worry you will be happy with the results. | ||
| Mark Devereux (Groupw) Member Username: Groupw Post Number: 70 Registered: 12-2002 |
Ya gotta base it on what you are doing with the truck. I had 245/75's for years and loved them. I've gone to 265/75's, but with quite a few mods. The great things about the 245/75's are that they are tall enough to work well, require minimum cutting, don't trash your already iffy gear ratio and turning radius, and don't stress your axles and other components as much as the 32 inchers. If you are just a moderate wheeler, you may want to stick to the 31's. | ||
| Gordon Turner (Gordo) New Member Username: Gordo Post Number: 3 Registered: 07-2003 |
I run 245/75s on my 89 RR and they seem to be just right. I think the next time I buy tires though I will lean to the 235/85s. I know I will lose a bit in more gearing but that extra 1/2" or so of clearance will sure come in handy. | ||
| Leslie N. Bright (Leslie) Dweb Lounge Member Username: Leslie Post Number: 2357 Registered: 02-2002 |
You don't have to have a lift to run the 245/75, but you do for the 235/85. The 235/85 will buy you some extra clearance over the 245/75. It'll be a tad slower, but, it'll be better, I think. For some reason, I ignore Yoks. I prefer: BFG (MT-km, or Commercial T/A traction, if budget-conscious), or Dunlop (R/T or MT), or Michelin (pricey!). FWIW.... -L | ||
| Robert Sublett (Rubisco98) Senior Member Username: Rubisco98 Post Number: 948 Registered: 04-2002 |
I have two sets of wheels/tires. I run Yokohama Geolander AT IIs in 245/75/16 for daily driving and I absolutely couldn't be happier. I also run Interco M/Ts in 235/85/16 on the trail, etc. When I first lifted the truck, I only had the one set of wheels/tires and ran 235/85/16, they take some getting used to, and do slow you down some, but look very nice. After about 40k miles I got the extra wheels/tires and now run the 245/75s for the majority of the time. I say if you drive your truck ALOT then stick with the 245/75s, there won't be as much power loss noticed.. but if you just cruise around town, then go 235/85s.. Later..RS | ||
| Zak Ruck (Zak) Senior Member Username: Zak Post Number: 452 Registered: 07-2002 |
Great advice guys. I'm in the process of researching lifting my disco as well and looking at tires sizes again. Very good ideas. | ||
| Chris von Czoernig (Chrisvonc) Dweb Lounge Member Username: Chrisvonc Post Number: 1121 Registered: 07-2002 |
I personally could not stand the 245s I had on my Disco. I found that once I went to the 235s I liked them a LOT better. Handling felt better to me and my speedo was back on the money plus it does give you a little bit more clearance under the diffs. But it is personal preferance. The downside as Robert pointed out is you will get some power loss. Lots of people use and like 245s for their own reasons and some have the adility to run both for the best of both worlds for them. CVC | ||
| Brian Dickens (Bri) Senior Member Username: Bri Post Number: 497 Registered: 08-2002 |
You can see 245/75s (castor alloys) and 235/85 (black steelies) on an OME HD lifted disco in my gallery. My rear tires rubbed with both without any trimming. The 235/85 rubbed on the front of the rear wheel well (would have on the rear of the wheel well for sure without trimming). I have not testing thoroughly with my latest lift, 3". | ||
| Chris Browne (Chris_browne) Member Username: Chris_browne Post Number: 218 Registered: 02-2003 |
I understand this struggle only making the final decision in the tire store. Once you have that extra clearence, they can't take it away....and half an inch goes a long way! 235/85 is the way to go | ||
| Peter Matusov (Pmatusov) Senior Member Username: Pmatusov Post Number: 860 Registered: 09-2002 |
what'cha been smokin, Les? | ||
| Daniel Covaciu (Danielcovaciu) Senior Member Username: Danielcovaciu Post Number: 362 Registered: 10-2002 |
Lots of people run 245/75/16 without a lift, me included. | ||
| Blue (Blue) Dweb Lounge Member Username: Blue Post Number: 78 Registered: 04-2003 |
0.5" increase is nominal, in my opinion. What tire pressures are you all running on the trail? You sure you have an "extra half inch" clearance? Also, I don't often get out of my Disco with a micrometer and say "Nope, I can't clear it...if only I had an extra half inch..." LOL  Now, I have heard that 235/85 tracks better on the road, so that may be a good reason to go with that size. But then you have the gearing issue - these dogs are slow enough stock. And you have marginal stress increase on axles - big deal if you're running stock hardware. And 235/85 have a taller sidewall that is exposed to possible trail damage, and, more importantly, that 235 will probably be a load range D vs. load range E for the 245. 245/75 is usually the workhorse size for most tire manufacturers (10 ply vs. 8 ply or less). -Blue 245/75/16 I'd like to try 235/85's, but these 245's won't wear out, and they keep giving me free warranty replacement tires! | ||
| Peter Matusov (Pmatusov) Senior Member Username: Pmatusov Post Number: 862 Registered: 09-2002 |
one of the biggest embarrassments in my disco ownership was to slap on 245/75s with no lift. i packed my family into the truck, and headed out for the club trail ride. on the way there, decided to swing by grocery store - and heard a very familiar "crrrunch" sound at the first speed bump. if i hadn't trimmed the rear quarters before leaving pavement, i'd have to do some serious bodywork later. granted, i use them on steel wheels made by unique that have 1/2" of extra offset, but even my 245/75 spare (mounted on stock rim) rubs. in fact, it rubs even with 2" of lift, for that matter, just not that bad. so i believe that lots of people do what you said, guess it is more of a description of the terrain you explore. | ||
| michael harrington (Mike97d1) New Member Username: Mike97d1 Post Number: 3 Registered: 07-2003 |
thanks for the info guys..if anyone has pics of the 235 e-mail them to [email protected] | ||
| Greg Crow (Gcrow) New Member Username: Gcrow Post Number: 20 Registered: 05-2003 |
Mike, here is my rig w/ OME HD 3in lift and 235/85 dunlop MT's: http://crowsoftware.com/adventures/gallery.php?photo=rover/crowosdisco2.jpg&d=ro ver It runs great with the setup and no rubbing. | ||
| Brian Dickens (Bri) Senior Member Username: Bri Post Number: 498 Registered: 08-2002 |
How did you do OME 3" Greg? Blue, I disagree with what you have heard I swap 245/75 (BFG AT) and 235/85 (Trxus MT) all the time and the time and for drivability on road I'd take the ATs. Maybe its the tire though. | ||
| Chad Mayes (Cmayes) Member Username: Cmayes Post Number: 82 Registered: 04-2003 |
How does the 245-75-16 compare to a 265-75-16 to a 235-75-16? Which is tallest? Does anyone know the formula for figuring tire size out? I feel like an idiot for asking this... | ||
| Mike Rupp (Mike_rupp) Member Username: Mike_rupp Post Number: 223 Registered: 02-2002 |
Blue, Most 235/85 are load range E. It is usually the 265/75 that are lower rated. I have seen a lot of 235/85 used as rear tires for duallys. | ||
| Brian Dickens (Bri) Senior Member Username: Bri Post Number: 503 Registered: 08-2002 |
There is a tire size calculator in the tech section and on EE web site. | ||
| Toby Walsh (Toby) New Member Username: Toby Post Number: 7 Registered: 02-2003 |
Chad, The 1st measurement is the tread width in mm. The 2nd is the height of sidewall as a percentage of tread width. The 3rd is the rim size in inches. So for example, 235/85R16 is 235mm tread width == 9.25". 85% of that is sidewall height == 7.86". Multiply that by 2 to get sidewall both above and below the rim == 15.72". Add the rim diameter to get 31.72". Hope that makes sense. |
