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20-04-2011
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Established Member
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Join Date: Nov 2007
Location: Port Macquarie NSW
Posts: 228 What Jeep do I drive?: WH
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Liked 6 Times in 5 Posts
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265/65R17 tyre pressures?
Hi guys
Just had 265/65R17 Pirelli ATR's fitted to my WH & wondered what tyre pressures others with these sized tyres were running?
How much lower do you run your off-road pressures than your highway pressures?
I know of the '4lb rule' & wanted a starting point to play from; tyre place said 40lb unloaded which I thought sounded a tad high?
Thanks
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Cheers, Graeme
07 Anniv. CRD, ARB bar, TB-CRD2 chip, SWC, LRA tank, OME kit, snorkel, etc
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20-04-2011
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On road 36-40 maybe 34. Offroad - what ever gives you traction and /or comfort. Just remember to take it slow, especially turning if you start going below 18.
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20-04-2011
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Established Member
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Join Date: Nov 2005
Posts: 155 What Jeep do I drive?: WH
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Quote:
Originally Posted by ginga
Hi guys
Just had 265/65R17 Pirelli ATR's fitted to my WH & wondered what tyre pressures others with these sized tyres were running?
How much lower do you run your off-road pressures than your highway pressures?
I know of the '4lb rule' & wanted a starting point to play from; tyre place said 40lb unloaded which I thought sounded a tad high?
Thanks
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No rubbing?
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20-04-2011
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CrawlerStar
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Join Date: Mar 2010
Location: Perth
Posts: 261 What Jeep do I drive?: WK2
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I put the same tyres on about 35000k's ago and reckon they're great. Have them on the AEV Pintler rims (thanks Stu) and don't come close to rubbing but are borderline sticking out beyond the guards. Run them at 36psi and they are quiet as on the road. The increase in rolling diameter has made the speedo as spot on as it's ever going to get but has also resulted in slightly worse fuel consumption.
I Drop them to 28 for extended driving on corrugations but haven't been on anything where I've felt the need to go lower since getting them.
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21-04-2011
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Established Member
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Join Date: Nov 2007
Location: Port Macquarie NSW
Posts: 228 What Jeep do I drive?: WH
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Thanks for the info; I'll start out using 36 & go from there.
Rubbing? See pix, what would they rub on (ball joint bolt has had the 'nut shaped' part removed 
__________________
Cheers, Graeme
07 Anniv. CRD, ARB bar, TB-CRD2 chip, SWC, LRA tank, OME kit, snorkel, etc
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21-04-2011
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Established Member
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Join Date: Nov 2005
Posts: 155 What Jeep do I drive?: WH
Likes: 0
Liked 0 Times in 0 Posts
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Quote:
Originally Posted by ginga
Thanks for the info; I'll start out using 36 & go from there.
Rubbing? See pix, what would they rub on (ball joint bolt has had the 'nut shaped' part removed |
So your rig has no lift? thats great news. I had tried to fit 255x75x17 off a Wrangler and mine rubbed and thats with a 55mm king springs lift. I had to swap back to 255x65x17's
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25-04-2011
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AJOR Silver
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Join Date: Oct 2005
Location: Ballarat, VIC
Posts: 477 What Jeep do I drive?: None
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Ginga, I run around 35 under normal hwy conditions, 40 when towing to take the additional weight as to be expected.
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Regards johnv,
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