Fitted a set of Cooper ST's 15" X 30" X 9.5 all round and couldn't be happier.
No sign of wear like I had with the GSA's that just went ballistic with heel/toe wear on the Grand (fact of life with perm. 4X4)
Grip like glue. Minimum weights on the wheels. Not very noisy and will be hard to damage.
I had a puny stick go straight through the mid-case of a GSA .
Third set of Coopers (different sizes - different Jeeps) and I'm a big fan.
Unless you want to fit Simex that is...
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Almost outa here. The bush cook calls.
Dependant on manufacturer variances 265/65r17 ot 245/70r17 will increase your actual speed by 5.1% over indicated speed. The 275/65r17 will increase it by 7.1%. Both the 265 & 275 will probably rub at least slightly.
If your driving is street & sand then I would go with the Goodyear SR/A (not the F1 which is a directional tyre) or the Dunlop Grandtreks.
If you want a slightly more agressive tread then the Bridgestone D693 would still be my choice (& they are available in 265/65r17 - new size)having a more robust casing than the Yokohama GO11. The Yokies will stick like s##t to a blanket tho. I havent had many good results with the D684 but I am sure someone will will have a good experience with them.
Sorry OzJeeper but never having owned a Coopers I can only go on what my customers have reported & what I have seen when servicing their cars.
HTH
David
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Now - 2015 WK2 Blackhawk & 2012 JKU Rubicon. Was - 2003 WG Limited. Was - 1997 XJ Limited.
good info guys, i'll be buying tyres for my grand in the not too distant future too.
As for speedo error calcs, here's a good tyre size calc. where you punch in your existing and new tyre sizes and it spits out a whole bunch of stats including speedo error at 100k's hr.
Any recommendations for tyres 235/65/17 for wj2001 grand cherokee Ltd . Need to replace all four. Mainly used on-road and sand/dirt driving. Thanks steve
gidday asp - did you do any thing yet
Wrench - hope u had a good trip - piccies - did u go the 265/65/17's yet - i suppose yuo might get them in your guards ok because of your lift.
ceeya
Hi fellas.
Thanks Goodol55, we did have a great trip. It turned into a road tour as everyone advised against towing the trailer on the tracks & our timetable was pretty tight. Did drop the trailer for a day & drove from Mansfield to Craigs hut & across Mt Stirling. track was in very good condition & a lot of fun. Forestry logging had 1 road I tried to take closed off. Geez it was bloody hot & dry down there.
I'll see if there's any pics worth posting. Couldnt convince the wife to run up the hills first to get any action shots.
At 22,000 kms my tyres are about 1/2 worn so probably cant justify replacing them till about 35k. Still doesnt hurt to check options in case. Got quite a few cuts & chunks missing.
Have to follow thru & catch up one day. Maybe a Grand gathering at Mt Mee or similar.
Regards
David
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. Need to replace all four. Mainly used on-road and sand/dirt driving. Thanks steve 
