Tyre pressure's

**dm0011** · 21st August 2007, 08:40 PM

Im new to all things landrover and today had four brand new cooper discoverer ST-C tyres fitted , can anyone tell me the best pressures to run these at for normal road use. PS hooked on discoveries

McDisco · 21st August 2007, 09:12 PM

Hey mate...

I run my BFG At's at 32 front and 36 rear for a light load, and up to 38/40 for a load.

But check your pressure placard and also the reccomended pressures for the tyres. It comes down to preference also, some like there tyre up high...some dont. Keep them at least 30psi though.

Angus

**dm0011** · 21st August 2007, 09:41 PM

Oh cheers for that, I will give it a check up 2morrow and give it a whirl over the weekend trip we are doing.

**Disco Steve** · 21st August 2007, 10:05 PM

I run my Maxxis Muds @ 40psi front and rear all the time on-road. But as stated it all comes down to personal preferance.

**Ken** · 22nd August 2007, 08:04 AM

265/75/16 Goodyear MT/Rs 36 Psi on road
26 to 20 Psi Off Road
Fully Loaded for a trip 40 Psi front 42 Psi rear

**numpty** · 22nd August 2007, 08:24 AM

Originally Posted by Ken

265/75/16 Goodyear MT/Rs 36 Psi on road
26 to 20 Psi Off Road
Fully Loaded for a trip 40 Psi front 42 Psi rear

Maybe I'm being a little pedantic, but what is this propensity for increasing tyre pressures in the front when vehicle is loaded. Surely the weight change at front is miniscule and would negate need to increase pressure.

**Tank** · 22nd August 2007, 12:20 PM

Originally Posted by numpty

Maybe I'm being a little pedantic, but what is this propensity for increasing tyre pressures in the front when vehicle is loaded. Surely the weight change at front is miniscule and would negate need to increase pressure.

Numpty, when you hit the brakes weight is transferred to the front wheels, depending on how hard you brake, Regards Frank.

**Ken** · 22nd August 2007, 04:48 PM

Originally Posted by numpty

Maybe I'm being a little pedantic, but what is this propensity for increasing tyre pressures in the front when vehicle is loaded. Surely the weight change at front is miniscule and would negate need to increase pressure.

As you travel down the road the tyre gets hot and expands if your running to greater difference in the front to rear tyres you get difference in tyre pressures that dramatically changes the steering caracteristics of the vehicle
ie sidewall stifness
compound gets hotter
uneven grip
rolling resistance

**dullbird** · 22nd August 2007, 05:02 PM

was running my muddies on the road at 32 lot of sag in the sidewall so decided to up them to 40 omg what a difference harder ride put the disco definatly corners better

i think ideally i will probably drop them to 38 as i reckon for me that would be the best comprimise

**Redback** · 22nd August 2007, 05:16 PM

I've tried all sorts of recommended pressures from mates to the tyre retailers who (and i mean all of them) say 40psi all round

I run 30 front and 38 rear around town (no load)

I run 30 front and 46 rear loaded (that includes camper)

I run 26 all round offroad (no load)

I adjust for handling when loaded offroad with the camper on but around 26 to 30 in the rear and 26 front.

Tyre placards recommendations for the D2

28psi front and 38 rear (no load)

28psi front and 46psi rear (loaded)

The recommendations on the tyre placard are a good place to start from.

Baz.

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