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Author Topic: wide tyres  (Read 8768 times)

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mean dog

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wide tyres
« on: July 02, 2008, 07:32:15 PM »
Here's one for you!!!
If I fit 245x70x16 tyers to my zj, will it afect my M.P.G? extra drag and all that.
cheer's
Mean Dog :-?
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Manda

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« Reply #1 on: July 02, 2008, 07:34:47 PM »
Yes.

But you might not notice much difference if they are the same sort of tread eg ATs. If you change from ATs to muds then you'd notice.
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AKA Dangerous Doris

mean dog

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wide tyres
« Reply #2 on: July 02, 2008, 07:59:51 PM »
Cheer's Manda
Road tyres fitted at present, chan :-D
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Ric Jacques

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Re: wide tyres
« Reply #3 on: July 06, 2008, 07:13:01 PM »
Quote from: "mean dog"
Cheer's Manda
Road tyres fitted at present, chan :-D


That's a long spin.  I know!  I drove the CJ from Bristol to Newhaven, then from Dieppe to Milan.  I can recommend a few places to stop in France if you intend on stopping for a night (I strongly recommend that you do!!!)

Where in Italia are you headed?
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LeeC

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Re: wide tyres
« Reply #4 on: July 08, 2008, 05:31:32 PM »
Quote from: "mean dog"
Here's one for you!!!
If I fit 245x70x16 tyers to my zj, will it afect my M.P.G? extra drag and all that.
cheer's
Mean Dog :-?


Hi,  I am also thinking of changing to 245/70/16 on my 2004 Grand Cherokee CRD Sport.  I was thinking of going for the Toyo Proxes S/T as we do most of the miles on road.

Jeep dealer just told me that I would need to change the spare as I might bust my diffs etc if I had a puncture and had to run with a 225/75/16 (my current size)

Any thoughts?  I am pretty new to all this stuff!

Cheers

Lee
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Mike Pavelin

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« Reply #5 on: July 08, 2008, 05:56:09 PM »
Yes you need to run a full size spare on one of those or you'll knacker the transfer case.
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LeeC

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« Reply #6 on: July 08, 2008, 06:00:08 PM »
Thanks, what about if I went for a 235/70/16? Same problem?

Cheers

Lee
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mean dog

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Wide tyres
« Reply #7 on: July 09, 2008, 08:35:50 PM »
Hi Lee,
It's not the width it's the height, 75 is higher than 70,so your spare must be a 70 if you are fitting 235x70 or 245x70. as Mike said ,you will knacker the transfer case if run on 70's and fit a75 due to puncture etc. :cry:
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RockingDad

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« Reply #8 on: July 16, 2008, 10:34:54 PM »
so just to check, 245/75/16 will run on a zj without issues with one in each corner and a spare the same size?

Cheers

Rockingdad
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tartanzj

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« Reply #9 on: July 17, 2008, 03:11:41 PM »
Quote from: "RockingDad"
so just to check, 245/75/16 will run on a zj without issues with one in each corner and a spare the same size?

Cheers

Rockingdad


A 245/75R16 tyre calculates out at 30.5" so it is approx 1" taller than 245/70R16.

Thread was originally talking about 245/70R16
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mean dog

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wide tyres
« Reply #10 on: July 17, 2008, 07:48:02 PM »
"RockingDad"said
so just to check, 245/75/16 will run on a zj without issues with one in each corner and a spare the same

 Yep!
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