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philbert



Member Since: 18 Sep 2015
Location: Falkirk
Posts: 44

Scotland 
tyre pressure help please
Hi all hoping for a few pointers just picked up my new to me 110 commercial station wagon.
Its fitted with cooper discoverers stt in 265 75 16 any ideas what pressures I should have in them for a lightly loaded motor?

Currently 30psi front and 40 psi rear
Post #459112 29th Sep 2015 8:16pm
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newhue



Member Since: 28 Apr 2014
Location: Brisbane
Posts: 351

Australia 
Google 4psi rule. Its just one line of thinking but I have had great wear from BFG muds using it. It all depends on laod and tire size, and everyone is a little different. But its sure nice to know 36 in the front regardless, and in the rear 40 for light loads, and 46 for full expedition load works for my set up. My Defender and travels
Post #459159 30th Sep 2015 12:44am
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AndyS



Member Since: 18 Aug 2012
Location: London
Posts: 595

United Kingdom 2011 Defender 110 Puma 2.4 XS CSW Sumatra Black
Don't forget that forecourt air pumps are crap, the number they give you is a bit random so if you're going to test your warm vs cold pressure (never heard of it before), use a hand held jobbie from Halfwits or similar. I think I read from my motorcycle days that those little pop out testers are OK.

With that in mind, I just round it up. 40psi in the front and 50psi in the back. But then I do get to lug around heavy loads.
Post #459171 30th Sep 2015 6:55am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17382

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
I'll second what Andy says about forecourt airlines; I carry a calibrated pressure gauge and check pressures with that.

On my 110 DC running 255/85 KM2s I usually run 36psi front, 46psi rear, running at about 2.6 tonnes vehicle weight. If running at GVW, I increase the rear to anything up to 65psi. It must be said that it is rather bumpy running unladen with 65psi still in the rear tyres!
Post #459242 30th Sep 2015 12:41pm
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philbert



Member Since: 18 Sep 2015
Location: Falkirk
Posts: 44

Scotland 
Thanks for all the replies.
Got a really good analogue gauge that's accurate.
so its now 36 front and 40 rear will see how this feels .
Post #459340 30th Sep 2015 6:23pm
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