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245/70R16 w/ stock height
http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=8&t=18043		 Page 1 of 2
Author:  65thKJ [ Sun Feb 25, 2007 8:34 pm ]
Post subject:  245/70R16 w/ stock height
Doses anyone have pictures of a stock height KJ w/ 245/70R16s? I'm curious how this would look. I want a little more aggresive look but don't want to spend money on a lift in order to be able to put bigger tires on.
Author:  raceinfan [ Sun Feb 25, 2007 9:05 pm ]
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my BFG's with NO lift fit with NO modifications but don't have pic's I now have a lift though others have run the same tire with same results
Author:  tommudd [ Sun Feb 25, 2007 9:08 pm ]
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No problems with running 245 70 16 unlifted i did for a few thousand miles also
Author:  RFCRD [ Sun Feb 25, 2007 10:44 pm ]
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I don't have any pics but can tell you no rubbing and a much more robust look. Does wonders for the handling.
Author:  spoonplugger1 [ Mon Feb 26, 2007 12:12 am ]
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Looks the same from the side as they are only 1/4" or something different. They are just wider, seen from the front. As said before handling, a huge difference between the two.
Author:  Joe Jeep Owner [ Mon Feb 26, 2007 10:59 am ]
Post subject: 
Also running 245/70/16's without a lift, although I am one of the fortune prelowered 02's but I think you will be fine.

Someone else would know better than I would but I think I saw a thread here once regarding tred size. 245's would work but with a tire with extreme tread it would rub a little. Correct me if I'm wrong but I think I remember seeing that, but a "normal" AT tire should be fine.
Author:  Video Guy [ Mon Feb 26, 2007 11:00 am ]
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These pix were taken before I lifted the KJ.

Side view
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Front clearance
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Rear clearance
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Author:  PCTim [ Mon Feb 26, 2007 1:04 pm ]
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245/70/16 Revo's. No lift.

Image
Author:  65thKJ [ Mon Feb 26, 2007 6:00 pm ]
Post subject: 
Thanks for the pictures. I think I'm going to just put a little more mileage on the stock ones until I can rationalize buying new ones and I'll go with the 245/70R16s. BTW, how do you like the General Grabber A/Ts and the REVOs.
Author:  KJMedic [ Tue Feb 27, 2007 7:10 pm ]
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I have 245/70/16's on my CRD, No lift, no rubbing at all.
Author:  tarkus [ Wed Feb 28, 2007 8:21 pm ]
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Image
Author:  Video Guy [ Thu Mar 01, 2007 7:30 pm ]
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I like the Generals a lot. I wanted Bridgestone Revos, but after considering the substantial price difference and the tread, I figured the Grabber AT2 is a better offroad tire. Wider voids between the lugs promote self-cleaning in mude. But I hear great things about the Bridgestones too.

I doubt either will let you down.

T.J.
Author:  jcphoto20 [ Fri Mar 02, 2007 9:35 pm ]
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i ran 245/75 16s on mine for over 40k, no pinch weld rub at all, only had to heat gun the front of the front wheel well about 1/8"
Author:  LibertyGuy [ Mon Mar 19, 2007 2:12 pm ]
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I'm thinking of adding 245/70/16's as well. Only some issues i'm wondering about perhaps someone may have an answer. Is there any slight increase in fuel consumpion due to the bigger size compared to the stock? Does your speedometer screw up in any way because of the bigger sidewall? Does the vehicle bounce around more and not as stable because of the higher sidewall? Thanks for the help!
Author:  spoonplugger1 [ Mon Mar 19, 2007 7:32 pm ]
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My CRD didn't change anywhere, but for the good. Huge difference in traction on all surfaces, ride is awesome. Running 245/70X16 Nokian Vatiivas.
Author:  Jeep4me99 [ Mon Mar 19, 2007 9:37 pm ]
Post subject: 
these are going bye-bye very soon!

Image

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Author:  lj0913 [ Mon Mar 19, 2007 10:15 pm ]
Post subject: 
LibertyGuy wrote:
I'm thinking of adding 245/70/16's as well. Only some issues i'm wondering about perhaps someone may have an answer. Is there any slight increase in fuel consumpion due to the bigger size compared to the stock? Does your speedometer screw up in any way because of the bigger sidewall? Does the vehicle bounce around more and not as stable because of the higher sidewall? Thanks for the help!


That was my question - hope to hear more people chiming in on this one. Did you notice a height difference when moving from the stock to 245/70/16? The clearance on my 04 sport is horrible.
Author:  tommudd [ Mon Mar 19, 2007 10:26 pm ]
Post subject: 
Mine came with the 235 70s so not that much difference except in ride...way better, grip out on the road...way better, I ran 245 70s for a couple of months and no problems, could not tell any difference in mileage, speedometer, or any problems one of the best things you can do Oh I have the Firestone Destination ATs also
Author:  Video Guy [ Tue Mar 20, 2007 10:30 am ]
Post subject: 
LibertyGuy wrote:
1. Is there any slight increase in fuel consumpion due to the bigger size compared to the stock?

2. Does your speedometer screw up in any way because of the bigger sidewall?

3. Does the vehicle bounce around more and not as stable because of the higher sidewall?

Thanks for the help!

I'll answer your questions based on my '03 KJ Sport w/245/70R16 (29.5" diameter).

1. Probably, but negligible -- I'm guessing 1 mpg, but I drive conservatively. Plus, since my speedometer/odomter is off by two hairs, my mileage calculations aren't entirely accurate. With gas costing $2.55/gallon, I can't afford to have a heavy foot. The original 17/21 mpg wasn't very good to begin with, so I don't have a problem with losing 1-2 mpg from my daily driver. The improved handling and safety makes it worthwhile. The original 215/75R16 stock tires frequently lost traction on wet pavement. Although they had plenty of tread left at 39K miles, I replaced them out of concern for my family's safety and the need for a tire with a more aggressive tread for off-pavement driving.

2. Any time you put on a taller tire than what came from the factory, you cause your speedometer and odometer to be less than 100 percent accurate. From what I've been told and read, the deviation is only about 1.5 mph when travelling at 60. So if I'm really travelling 62 mph while my speedometer reads 60, I can live with that. It won't be the difference between a speeding ticket and no speeding ticket, if that's your concern. I've had my vehicle serviced at my dealer several times since upsizing tires, and no one has so much as commented on it. If you want an accurate speedometer, you can pay a dealership ~$100 to recalibrate yours, or by one of the inline digital converters for ~$179. (The latter would be helpful if running multiple sets of tires like a smaller, lighter set for the road and a beefier set for mud.) I have an 18.5-gallon gas tank. I rarely get 16.5 gallons in when filling up from "empty." My trip odometer currently reads 140 miles with my gas tank half full (mixed city & suburband driving). I typically fill up every 265 miles, right before my fuel gauge needle is actually resting on the Empty pin. Based on the 18.5 gal. fuel tank, I could probably drive another 30 miles, but I don't want to risk running out.

3. To the contrary, my vehicle felt much more firmly planted on the ground after installing bigger/wider tires. The increased tread width and better tread (compared to Goodyear Wrangler ST's) gives a wider stance that helps to counteract body roll in turns. (I lost a little bit of that by installing a lift kit, but body roll is no worse than stock. From what I understand of physics, the wider track and lift have cancelled each other out.) I run my Generals at 30 psi, and the ride on the road is nice. I won't go lower, especially when carrying a full load. I used to fill them to 35 psi, but I didn't notice any improvment in mileage, and the ride was too rough.

I hope this helps.
Author:  LibertyGuy [ Tue Mar 20, 2007 3:58 pm ]
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Thanks Video Guy! I'm definetly going with the slightly bigger size when I'm going to change tires.
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