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Unread 06-24-2014, 03:13 PM   #556
illtal
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Quote:
Originally Posted by jimb0JP View Post
I did check that chart out, but the 295/45/20 size isn't on there, but I'll check the upper control arm clearance one more time before ordering the the tires, and then will report back on the fitment.

Thanks for the information.
295/45/20 is best fit for a 10 inch width wheel.

I don't know what the previous generation SRT wheels are or the offsets. You will need to know the offsets to figure the back spacing.

An easy thing to do is to go to discount and have them put on a 295 Tire and see if it will fit without rubbing

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Unread 06-25-2014, 12:57 AM   #557
jimb0JP
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Quote:
Originally Posted by illtal View Post
295/45/20 is best fit for a 10 inch width wheel.

I don't know what the previous generation SRT wheels are or the offsets. You will need to know the offsets to figure the back spacing.

An easy thing to do is to go to discount and have them put on a 295 Tire and see if it will fit without rubbing
My Altitude wheels are only 8" wide, so it looks like the widest tire I can use with them would be a 285/50/20. I'm going to order a set of those for all four corners after I do a test fit on the front.

Thanks for the information.
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Unread 06-26-2014, 05:48 PM   #558
ssgunner
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New here, can this be used. I have them sitting in my garage.
235/30/ZR22
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Unread 07-01-2014, 11:23 AM   #559
jimb0JP
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Mew Tire Report

I have replaced the 265/50/20 Goodyear Fortera tires on my 2012 Jeep Grand Cherokee Altitude’s 20”x8” rims with 285/50/20 General Grabber UHP tires on all four corners and can report they fit with no issues…no rubbing or clearance problems with the upper control arms. According to the speedometer calibration calculator, the speedometer error at 65 mph should be 1.68 mph, and my speedometer was reading one mph higher than the actual speed previously, so it should be closer to the actual speed now. The tires have a V-tread pattern which is really great for handling standing water on the road (which we have a lot of down here in Florida’s rainy season), and they really look great on the vehicle. I’ll post some pictures of them along with the other modifications I have recently made to the vehicle.
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Unread 07-08-2014, 11:30 AM   #560
vtec187
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So I've got a 2011 Laredo base. I'm looking to run Stock 20's with 275/55 Terra grapplers with no other mods, will it rub?
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Unread 07-08-2014, 11:39 AM   #561
loveracing1988
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To the people running larger than stock tires, have any of you invested in a tuner to correct your speedometer?
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Unread 07-08-2014, 12:16 PM   #562
Jackal01
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Originally Posted by loveracing1988 View Post
To the people running larger than stock tires, have any of you invested in a tuner to correct your speedometer?
I have the Diablosport Intune DCX and there is an option to change the tire size. It seemed to help some.
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Unread 07-08-2014, 01:28 PM   #563
jimb0JP
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Originally Posted by loveracing1988 View Post
To the people running larger than stock tires, have any of you invested in a tuner to correct your speedometer?
I went from 265/50/20 to 285/50/20 tires. My speedo was reading 1 mph more than actual at 55 mph. It is now pretty much dead on, so that worked out great for me. Depending on how large a tire you are going to, the speedo difference may be in the mud and not worth messing with. Here's a link to a calculator that will tell you exactly what the difference will be in mph.

http://tire-size-conversion.com/spee...r-calibration/
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Unread 07-09-2014, 08:22 AM   #564
Aquaforest
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Originally Posted by jimb0JP View Post
I went from 265/50/20 to 285/50/20 tires. My speedo was reading 1 mph more than actual at 55 mph. It is now pretty much dead on, so that worked out great for me. Depending on how large a tire you are going to, the speedo difference may be in the mud and not worth messing with. Here's a link to a calculator that will tell you exactly what the difference will be in mph.

http://tire-size-conversion.com/spee...r-calibration/
If you get a chance to put some pics up, I'd like to see it. thanks!
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Unread 07-09-2014, 08:44 AM   #565
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If you get a chance to put some pics up, I'd like to see it. thanks!
I'll try to get some pics taken today if it's not raining when I get home.
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Unread 07-09-2014, 09:45 AM   #566
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Great, thanks!
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Unread 07-09-2014, 04:43 PM   #567
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If you get a chance to put some pics up, I'd like to see it. thanks!
Well, I took the pics but for some reason I can't upload them. I'll have to try it from another computer.
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Unread 07-09-2014, 04:49 PM   #568
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OK...just needed to resize them.
jgc-017.jpg

jgc-018.jpg

jgc-019.jpg

jgc-020.jpg

jgc-021.jpg

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Unread 07-10-2014, 08:01 AM   #569
Aquaforest
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That look really good and looks like a great fit! You get a little height. Definitely better than the stock IMO. That' all on standard suspension right, no mods?
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Unread 07-10-2014, 09:56 AM   #570
jimb0JP
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That look really good and looks like a great fit! You get a little height. Definitely better than the stock IMO. That' all on standard suspension right, no mods?
Yep, stock suspension, no mods or spacers. They are a little over 1" taller, so the ride height is only around a half inch higher.
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