my disco is 28 and 38psi but was told to run the bridgestone at 40 all round.. seems to work fine just like that!
Thanks
Steve
Recently, I was told by a mechanic at a tyre franchise that on my Defender I should run the BFG mud terrain tyres (265/75 R16) at 40 psi on the front and 48 psi on the rear for the highway. The normal psi's are 28 and 48 respectively. Any thoughts on if these tyre pressures?
Cheers, Scoota
my disco is 28 and 38psi but was told to run the bridgestone at 40 all round.. seems to work fine just like that!
Thanks
Steve
I run 40 in the front and 50 in the rear empty on the 130. To arrive at the best for your vehicle, keep an eye on your fuel economy and tyre wear. On road hard enough to lower rolling resistance but not so the middle tread wears out. Look for an even wear depending on your load. Check your pressures and inspect your tyres often and see what gives you best economy and ride. You'll find a sweet spot.
CC
36 all round suits me in the D2 when on the hwy. I bump the rears up to about 40-45 when loaded to the max.
AFAIK LR run low pressure in the front to introduce some cornering stability.
Cheers
Slunnie
~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~
I never run radials on the highway at less than 32psi.
Generally on the highway with a light load I run at:
Disco - 34 to 36 front, 38 to 40 rear
Defender - 36 to 38 front, 38 to 42 rear
Off road - highly variable dependant upon terrain and speed.
But one point I'd make though is that on 80km/hr 'development' roads (those ones that often have 20 to 50mm sized gravel) I run at highway or even slightly higher pressures and while doing this have not had a tyre failure.
Roger
Why higher Roger?
Cheers
Slunnie
~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~
Any damage that I had experienced on those type of roads has been to the sidewalls - cuts from the gravel.
The higher pressure reduces the sidewall flex and hence the exposure to damage - got the tip from a commercial traveller in WA who traveld at high speed but had negligible tyre failures.
Roger
Ahhh, thats interesting. There is such a wide spread of opinion this type of thing
Cheers
Slunnie
~ Discovery II Td5 ~ Discovery 3dr V8 ~ Series IIa 6cyl ute ~ Series II V8 ute ~
Too low & you'll get punctures & staking in the bush. and failure at highway speeds. Too high & you risk blowouts, and frankly its not pleasant to drive.
Its about varying pressures according to load & speed. And the 265/75s don't have the load rating of the standard 235/85s, so you've got less margin of error.
I agree 48 psi is way to high.
For me around town empty, its about 34-35 psi all round. Steers well & rides ok.
Highway empty, constant 110 kph stuff, around 35 f & 40 rear. You need the higher rears to induce some stability.
Touring fully loaded, I'll drop the fronts back to about 33 for stability, and I don't go over 100 kph when full of gear, fuel, water, recovery gear etc.
You can set your own pressures by feel. Experiment with the pressures given by everyone. Literally touch the treads every coffee / lunch stop. You'll soon know if too they're too hot or not hot enough. Rears are always warmer.
Regards
Max P
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