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Thread: Tyre efficiency rating - is this BS?

  1. #17
    Chaos Monkey Apex's Avatar
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    Re: Tyre efficiency rating - is this BS?

    Quote Originally Posted by kalniel View Post
    Sure you're alignment is OK? Lots of reviews say they are great in wet conditions, and their sister tyres (Goodyear efficentgrip performance) are superb in the damp on my A3.
    Was done when the tyres where put on. The P6000's that where on before to me was a better tyre.

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    Gold Member Marcos's Avatar
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    Re: Tyre efficiency rating - is this BS?

    Can't sign off on your "put the best tyres at the back of your FWD car" theory, I see some logic there, but it's not like FWD is that prone to letting the back out.

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    Re: Tyre efficiency rating - is this BS?

    Quote Originally Posted by kalniel View Post
    Largely, yes. It is far safer and more recoverable to understeer and if you do have an accident while doing so it'll be milder and often involve fewer other cars as you're less likely to travel or lie across lanes.
    Sorry - but understeer in not recoverable. When you're understeering, you have truly lost control. Not safer for the person you're about to hit with no chance of deviation or stopping.

    Butuz

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    Re: Tyre efficiency rating - is this BS?

    it would be nice to be able to put the better tyres on the back of my car but the 328's got staggered rims so the backs are wider.

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    Banhammer in peace PeterB kalniel's Avatar
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    Re: Tyre efficiency rating - is this BS?

    Quote Originally Posted by Apex View Post
    Was done when the tyres where put on. The P6000's that where on before to me was a better tyre.
    Woah that's weird. I'd be suspecting a fault somewhere then. P6000s are awful.

    Quote Originally Posted by Marcos View Post
    Can't sign off on your "put the best tyres at the back of your FWD car" theory, I see some logic there, but it's not like FWD is that prone to letting the back out.
    It's not about being prone to or not, just a case of aquaplaning. The car type doesn't matter - hit a puddle at 70mph on the motorway and if you don't have enough tread depth you will aquaplane. If that's on the front tyres then you'll carry on going straight and when grip is restored no-one will be worse for wear. If that's on the rears you're likely to rotate and even if that's not enough to depart your lane when grip is restored you will be flung out of it.

    Quote Originally Posted by Butuz View Post
    Sorry - but understeer in not recoverable. When you're understeering, you have truly lost control. Not safer for the person you're about to hit with no chance of deviation or stopping.
    When understeering due to aquaplaning you continue in the direction you were going and when grip is restored you're likely to be able to control it. When oversteering you rotate which is tricky enough for most people to control, but worse when grip is restored very few people would be able to catch it.

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    Re: Tyre efficiency rating - is this BS?

    Quote Originally Posted by kalniel View Post
    Please don't. Tyres are the most safety critical part of a car, not worth experimenting with.

    I can only find reviews for Altimax HP, and given they came 47th out of 54, I'd avoid like the plague:
    http://www.tyrereviews.co.uk/Article...aking-Test.htm

    Go for the top rated in that test - dunlop blue response. They're worth the slight increase in cost over no-brand. B for efficiency. A for wet grip. Lots of good reviews.
    Dunno about particular brands, but I absolutely agree with the sentiment in the first para. Though, I'd say tyres and brakes together. As long as they're working properly, though, there's a lot less choice in brake consumables.

    I always feel that a little extra grip, especially in foul conditions, might be the difference between braking and stopping, or braking and hitting something or losing traction and sliding .... maybe into the path of an on-coming artic.

    Or, even worse, it might be wife driving. I don't want to even think about risking her to save a few quid on tyres.

    Some things are false economy, and tyres picked for budget, IMHO, are one of them.

    Of course, I'm NOT suggesting the most expensive are necessarily the best. Just that risking your life over a few quid isn't a risk I'll take.

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    The late but legendary peterb - Onward and Upward peterb's Avatar
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    Re: Tyre efficiency rating - is this BS?

    Quote Originally Posted by kalniel View Post

    It's not about being prone to or not, just a case of aquaplaning. The car type doesn't matter - hit a puddle at 70mph on the motorway and if you don't have enough tread depth you will aquaplane. If that's on the front tyres then you'll carry on going straight and when grip is restored no-one will be worse for wear. If that's on the rears you're likely to rotate and even if that's not enough to depart your lane when grip is restored you will be flung out of it.
    Which might be OK if you are travelling in a straight line on a motorway or not, but if you hit a puddle on a bend and the front aquaplanes, then you go straight on, off the road. Of course, if the rear aquaplanes, then you might spin off as well.

    But then in wet weather, you should be driving at a speed appropriate to the conditions.
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    Banhammer in peace PeterB kalniel's Avatar
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    Re: Tyre efficiency rating - is this BS?

    Quote Originally Posted by peterb View Post
    Which might be OK if you are travelling in a straight line on a motorway or not, but if you hit a puddle on a bend and the front aquaplanes, then you go straight on, off the road. Of course, if the rear aquaplanes, then you might spin off as well.
    Almost certainly if you lose the rears around a corner you're going to spin off too.

    But then in wet weather, you should be driving at a speed appropriate to the conditions.
    Indeed. I've never seen it happen on a motorway however.

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    Chaos Monkey Apex's Avatar
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    Re: Tyre efficiency rating - is this BS?

    Quote Originally Posted by kalniel View Post
    Woah that's weird. I'd be suspecting a fault somewhere then. P6000s are awful.
    Thats what the review tell you..... one mondeo and one focus both running these and we have not had any of the issues that the people on the reviews claimed. The grip in the wet, they grip in the snow to a point, ware rate is decent. I found the P6000's to work and work well (noise was more then most but am fine with that)

    The dunlops i put on the mondeo i have not been happy with; yes they produce a lot less noise but they never feel like they have the grip that the P6000's had or for that matter the firehawk winter tyres i now have fitted again these tyres didn't get glowing 'reviews' but once more my experiance with them differs.

    The kumos i had fitted to my sisters car; again same thing the reviews not glowing but they work well on the car.

    My other sister has Klebber Quadraxers (recomended on these forums by Zak) so we shall see how they do.

    Again i think a lot of this label information is nothing but BS because they are conducted under lab condiditions just like the euro mpg listings and look how they turned out.....

  10. #26
    bored out of my tiny mind malfunction's Avatar
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    Re: Tyre efficiency rating - is this BS?

    When I had my Focus (mk 1, 52 plate, written off in an accident last year) the P6 / P6000s were easily the worst tyres I'd tried. A lot less feedback and terrible grip when cold (slipped / span very easily). I used Michelin Energy Savers a lot of the time which were great off the motorway but seemed to make the steering very light at motorway speeds which made the car feel a bit twitchy. The Firestones I had on there just before it died seemed a decent compromise, not too expensive but decent feel and didn't seem to get light at motorway speeds either. That said it was an old car and it may have been more to do with wear and tear and how well the car was running at the time (had a few larger bills before it died and it was driving lovely, despite having done 131k... ho hum!)

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    Chaos Monkey Apex's Avatar
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    Re: Tyre efficiency rating - is this BS?

    Focus MK2 and Mondeo MK3 so running 205/55/R16 V91 it seems the smaller ones are worse.

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    Re: Tyre efficiency rating - is this BS?

    Possibly - I think my mk1 was on 195/60/R15...

    Edit: the mk2 is meant to be a fair bit heavier too which may also change how well the tyres grip - Wikipedia says 1,150 kg-1,364 kg for the mk1, 1,229 kg-1,630 kg for the mk2, and I vaguely remember some threads on pistonheads saying they're better on heavier cars.
    Last edited by malfunction; 30-01-2014 at 04:36 PM.

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    Banhammer in peace PeterB kalniel's Avatar
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    Re: Tyre efficiency rating - is this BS?

    Quote Originally Posted by Apex View Post
    Again i think a lot of this label information is nothing but BS because they are conducted under lab condiditions just like the euro mpg listings and look how they turned out.....
    Yeah could be. But surprising that the reviews are roughly in agreement. As always it's going to be tricky to assess between different cars and so on though.

    I'd recommend the quadraxers too - for all seasons/light use they are very good. Not a patch on summer tyres for feel or absolute grip, especially when damp, but they're great for very heavy rain and winter temperatures.

    For reference I've tried at least the following tyres on UK roads:
    Michelin Energy (the old ones) - fantastic fuel economy and wear rate. Almost dangerously rubbish in the damp, not great grip in dry.
    Vredestein hi-trac - great in the wet and muddy conditions, OK on snow too. Poorer fuel economy, so-so dry grip.
    Michelin Primacy HP - pretty good fuel economy, better in dry than Energy, still quite poor in damp, good wear rate.
    Kleber Quadraxer - great in snow (comparitively), good for mud, deep water. Poor feel, not so grippy in dry/damp as summer tyres. Good wear rate.
    Michelin Pilot Sport 3 - poor fuel economy, fantastic in the dry, very good in the wet, bad in the snow. Great feel in warm conditions. Relatively poor wear rate.
    Goodyear Efficientgrip Performance (~Dunlop blue response) - pretty good fuel economy, very good in the dry, very good in the wet + damp, not too bad in the cold (not tried snow). Not quite as good feel/bite as the PS3s, but almost as good outright grip. Wear rate is looking fairly good.

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    Re: Tyre efficiency rating - is this BS?

    Quote Originally Posted by kalniel View Post
    When understeering due to aquaplaning you continue in the direction you were going and when grip is restored you're likely to be able to control it. When oversteering you rotate which is tricky enough for most people to control, but worse when grip is restored very few people would be able to catch it.
    Clutch in, wheel straight, ride through puddle, I don't see the difficulty

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    Banhammer in peace PeterB kalniel's Avatar
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    Re: Tyre efficiency rating - is this BS?

    Quote Originally Posted by Marcos View Post
    Clutch in, wheel straight, ride through puddle, I don't see the difficulty
    If fronts are aquaplaning, sure. If rears, then without stabilising from the back you're likely rotating and are basically buggered - wheel straight means you are now steering at another lane and when traction is gained you'll spear off in that direction.

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    Re: Tyre efficiency rating - is this BS?

    I used to buy budget tyres but after one year where I felt that I had no grip on the road I decided to go for branded. I have Dunlop Sport Maxx RT now and I personally think they have really good grip wet or dry. I wouldn't buy budget again decided my safety was worth the extra £30 per tyre, its not like I have to buy them regularly.

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