Tyres ?

c13tay · Sep 28, 2009

My freelander is currently fitted with pirelli Scorpion ST's

I have 2 un-repairable punctures.

No one seems to be selling the ST anymore - they are offering me the STR

Will it be ok to fit these ? I would then have different tyres front and rear

Chris

nathan5346 · Sep 28, 2009

what size are the st's?

c13tay · Sep 28, 2009

They are 225/55/17

Chris

nathan5346 · Sep 28, 2009

i came across a website last week with st's but were 255 55 16 never mind

c13tay · Sep 28, 2009

Thanks anyway

Chris

bonnybrook · Sep 28, 2009

c13tay said:
They are 225/55/17

Chris

I've been running STR 225/55/R17 on the Freelander for 18 months, over 10K on and no problems. Seems to be wearing pretty well, good snow and mud traction too.

I believe they are the replacement for the STs - I used to have these. They are 4x4 rated.

Alternative prem brand are the Mich's - cost a bit more but I believe the last longer.

c13tay · Sep 28, 2009

Thanks for the reply

I was just concerned about running STs on the front and STRs on the rear.

What pressures are you running ??

Chris

bonnybrook · Sep 28, 2009

c13tay said:
Thanks for the reply

I was just concerned about running STs on the front and STRs on the rear.

What pressures are you running ??

Chris

Tend to run 31 psi all round.

I looked on an old LR service record and they did them at 26 psi.

Don't mix per axel but I think your ok front/back as long as the difference in wear isn't huge - guess it would make the VCU work that bit harder.

They usually say "newer" at the back, think i've read that in the handbook somewhere - but worth checking.

You can pick then 17" STRs for around a £120 a corner, Mitches around £145. I've seen some bugdet options for about £80-90 but not sure what they're like or how long they last.

Sean · Sep 28, 2009

think you'll find it's newer at the front as thems the ones that do most of the work

Chaser · Sep 28, 2009

Newest tyres on the back on Freelanders, anything else will feck the transmission due to excessive wind up.

Sean · Sep 28, 2009

Chaser said:
Newest tyres on the back on Freelanders, anything else will feck the transmission due to excessive wind up.

really ? - oh how odd

Optimus Prime · Sep 28, 2009

If only replacing a pair, fitting the new tyres to the rear is now common practice. The reasoning being is that a rear wheel skid / blowout is harder to control than a front wheel skid / blowout.

before anyone jumps on me, I didn't write this rule, I don't enforce it, I am nothing to do with the tyre trade, that's just the advice offered by the manufacturers.

Sean · Sep 28, 2009

even thou it's always the fronts that wear first ? - would have thought it far better to have the best at the front .......... very odd

nathan5346 · Sep 28, 2009

id rather have a rear blow out meself

Optimus Prime · Sep 28, 2009

Extract from Michelin website:

"Why fit new or less worn tyres on the rear?
Whether you have front or rear wheel drive, we recommend that you use newer tyres for the rear set, for extra safety in unforeseen or difficult situations (emergency braking, tight bends etc) particularly on wet surfaces.

Numerous tests have shown that it is easier to control the front wheels than those at the rear.

Front tyres generally wear quicker than those fitted at the rear, particularly on front wheel drive cars, which are currently in the majority.

New tyres fitted in front :

- The behavior of the car will change, because the front / rear balance will be reversed.
The driver, used to a car with less grip at the front, will therefore be taken unawares.
- On a slippery road, the rear will lose traction before the front of the vehicle.
The driver will have no chance of controlling the rear, and will be tempted to accelerate further, which will amplify the spin effect. Only an experienced driver will be able to recover from this dangerous situation...

New tyres fitted at the back :
- The handling of the vehicle will be similar to that known by the driver before the tyre change, because the traction balance will be the same.
- Rear traction will be better, and the driver will be able to control and steer their vehicle without a problem by decelerating and turning the steering wheel in the direction of the bend.

That's why Michelin advises you to reduce the risks you take by fitting new or less worn tyres at the rear of the vehicle for:
- better grip on bends
- extra safety.

4x4 Vehicles
Michelin strongly recommends that tyres on 4x4 vehicles are used in identical sets of 4, (same size, make, pattern, load index/speed symbol). Except where different sizes front to rear are authorised by the vehicle manufacturer.

The vehicle manufacturer's recommendations should also be followed."

Michelin - Fitting tyres - Why fit new or less worn tyres to the rear?

Tim.C · Sep 28, 2009

Translation of above;

"As you're all muppets that can't drive fit the tyres so that you don't die when you screw up!! Oh and don't forget that the manufacturers have built you car to understeer for the same reasons. Thankyou for your time, we know you don't have the ability to make these decision for yourselves so just trust us."

You may guess I like the best tyres on the front so I can steer - the back end will follow eventually

ming · Sep 28, 2009

cough. . . . . . .i always move ,front to back when i see a bit more wear in the front , yes i know what yer all saying. . . . .but it makes sence as the fronts always wear first, but if the wear was excessive, then i would let them be. . . . . .and as for the damage to anything [i dont think so]. . . but as all 4x4's, same tyres all round

Optimus Prime · Sep 28, 2009

Tim.C said:
Translation of above;

"As you're all muppets that can't drive fit the tyres so that you don't die when you screw up!! Oh and don't forget that the manufacturers have built you car to understeer for the same reasons. Thankyou for your time, we know you don't have the ability to make these decision for yourselves so just trust us."

You may guess I like the best tyres on the front so I can steer - the back end will follow eventually

always the same, the manufacturers have to cater for the lowest common denominator, which will be someone with no idea how to control a car that is losing or has lost grip

freelance · Sep 28, 2009

colleague's wife had two tyres fitted on front, went back complaining that something was wrong and was fobbed off by tyre fitters, next day on M 25 the rear diff blew up, the car was perfectly happy before the new tyres were fitted, listen to wise words, put new tyres on rear, especially on freelanders, diff cost £1000 from independant, and they are trying to recover from tyre fitters, some chance, work it out yourselves, the crownwheel is supposed to be driven by the pinion, not the pinion by the crownwheel, it is diff. suicide.

ming · Sep 28, 2009

freelance said:
colleague's wife had two tyres fitted on front, went back complaining that something was wrong and was fobbed off by tyre fitters, next day on M 25 the rear diff blew up, the car was perfectly happy before the new tyres were fitted, listen to wise words, put new tyres on rear, especially on freelanders, diff cost £1000 from independant, and they are trying to recover from tyre fitters, some chance, work it out yourselves, the crownwheel is supposed to be driven by the pinion, not the pinion by the crownwheel, it is diff. suicide.

. . . . . . ok Earthling , and the doors fall off when they get wet eh ?

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