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Comments
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Indoors, No problem! Each to his own.
As a matter of interest Ive just had a new set of tyres fitted, and have lost about 5 MPG! So now tackling a more important question, Is the heavier fuel consumption due to the new tyres (Class C rolling resistance & I think that the previous set were B's) Or is it more drag from new pads & discs, or is it because the DCOS keeps putting on the heated seats in this cold weather!
TF
P.S. As you are relatively new to the Forum, the DCOS is the boss (Domestic Chief of Staff)
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Hi tf,
I'm getting used to it now, regards the heated seats, I doubt, if the disc's and pads are fitted incorrectly, take it back the garage. the new tyres ?well there is at least one manufacturer stating their tyres will give better mpg.
Now being the owner of a " middle of the road " 4x4 you wouldn't be expected to know the one about the king of beasts.
" If you're going somewhere posh. take the Range Rover, If you wish to get back take the Toyota ",.LoL.
Happy caravanning.
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Fuel economy is not in the tank it's in your right foot.
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Indoors, No problem! Each to his own.
As a matter of interest Ive just had a new set of tyres fitted, and have lost about 5 MPG! So now tackling a more important question, Is the heavier fuel consumption due to the new tyres (Class C rolling resistance & I think that the previous set were
B's) Or is it more drag from new pads & discs, or is it because the DCOS keeps putting on the heated seats in this cold weather!TF
P.S. As you are relatively new to the Forum, the DCOS is the boss (Domestic Chief of Staff)
...Could be, it cannot be festive food extra weight yet could it?
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Indoors, No problem! Each to his own.
As a matter of interest Ive just had a new set of tyres fitted, and have lost about 5 MPG! So now tackling a more important question, Is the heavier fuel consumption due to the new tyres (Class C rolling resistance & I think that the previous set were
B's) Or is it more drag from new pads & discs, or is it because the DCOS keeps putting on the heated seats in this cold weather!TF
P.S. As you are relatively new to the Forum, the DCOS is the boss (Domestic Chief of Staff)
Write your comments here...If you had an issue with your new brakes you would notice it as they would get hot due to the constant face to face contact, as they got hotter the drag would increase due to expansion. Under normal running the pads are "Knocked
back" by the forces at play giving the disc a little running clearance. Tyres, Marginal? more than likely is the extra load you are putting on the engine using all the modern creature comforts
Ian.
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Hi tf,
I'm getting used to it now, regards the heated seats, I doubt, if the disc's and pads are fitted incorrectly, take it back the garage. the new tyres ?well there is at least one manufacturer stating their tyres will give better mpg.
Now being the owner of a " middle of the road " 4x4 you wouldn't be expected to know the one about the king of beasts.
" If you're going somewhere posh. take the Range Rover, If you wish to get back take the Toyota ",.LoL.
Happy caravanning.
...And if you want both get a Kia
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I have found considerable differences between tyres with regard to rolling resistance. On my A2 the best were Goodyear Efficient Grip and worst Uniroyal Rain Experts to the tune of 5mpg difference - the Uniroyals were very sticky biut also wore very quickly.
The passat I now have came with Uniroyals on the front and from checking the receipt the previous owner gave me have barely covered 22k miles down to the legal threshold (due to cahneg them this week), the previous factory fitted Continentals ran to 35k miles
on the front and 40k on the rears (only changed due to puncture). I fitted Apollo Aspire 4G all season tyres last year to my A6 and immediately had a 3 mpg improvement over the previous Pirellis. So as I am sure CJ would agree there are many variables with
acheiving good economy. However I still remain to be convinced 2SO doesn't work....0 -
Firstly let me say that there is no question of the brakes having been incorrectly done! This was a Main Mercedes dealer who not only sold me the car new but have maintained it all its life. The tyres are the second set on the car and are the Original Equipment Michelin's that she came fitted with.
BUT The Michelins whatever the tread pattern (Which has remained the same) Do come with varying rolling resistance factors. The first time they were changed at 35,000 miles I had the same problem, - lost 5 MPG and they discovered that my "Blue Efficiency" model requires a low rolling resistance factor class B and the tyre dealer had fitted class E tyres.
I had hoped that by allowing the Merc specialist to change them at now 70,000 miles that they would get it right, I even warned them about the problems on the first change, but now I find that they have again fitted class C tyres instead of B's that are hard to get. They do make quite a difference!
I maintain a complete log on what happens to my cars, and the record shows down to the last tenth of a litre how much fuel has ever passed through it (Frightening) So that I know immediately if the fuel consumption has changed, which it has!
Finally to "Indoors!" Having had no less than 4 Toyota Landcruisers, I do appreciate how reliable they are! Sadly they have been spoilt in recent years as Toyota, in an effort to get their emmissions down to a lower level to get into a lower tax band, spoilt the engine. It is much weaker than it used to be. Thats why I changed to Mercedes, which has a superb V6 3 Litre. Sadly My ML has not proved to be as reliable in other areas, and has suffered from a few electrical "Wiggely Amps". Its a bit French in that respect. Nevertheless a great tow car.
TF
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Hi tf,
Know what you mean about tyres, My new XC90 ( first in the UK ) came with Continentals, these lasted only 22k miles. Took it into my dealer to be renewed during service, they put on a set of Pirelli's stating the Continentals were a special order made only
for the XC." Oh and the're only a 115-00 per corner compared to over 200-00 for the Conti's. The Pirelli's made the drive sound like an old land rover on winter tyre, only kept it 12 momnths.Happy caravaning.
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... and on the other hand there are people like me who use any fuel station that's nearby, and sees no difference in economy whether the likes of BP standard, super dooper or Tesco, but big difference in savings when its a Supermarket.
I'm still experimenting, but using Tesco's Momentum in my Smart gave me aroound 48mpg and so far, 'normal' petrol is only giving me 42mpg ....
There is much more of a difference between standard and premium petrol than there is with diesel, IF your vehicles engine is capable of exploiting it!
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... and on the other hand there are people like me who use any fuel station that's nearby, and sees no difference in economy whether the likes of BP standard, super dooper or Tesco, but big difference in savings when its a Supermarket.
I'm still experimenting, but using Tesco's Momentum in my Smart gave me aroound 48mpg and so far, 'normal' petrol is only giving me 42mpg ....
There is much more of a difference between standard and premium petrol than there is with diesel, IF your vehicles engine is capable of exploiting it!
it seems like it is ..... turbo'd 3 cylinder, 1000cc kicking out a heady 84bhp
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Firstly let me say that there is no question of the brakes having been incorrectly done! This was a Main Mercedes dealer who .....
I'd trust a MB main dealer no more than any other garage. If you remember my posts from last Jan re my Airmatic strut I returned the car 3 times to them & got bullshit from them as to why there was nothing to fix, despite it kneeling down 3 times on one
corner. And they can't balance tyres properly.0 -
Firstly let me say that there is no question of the brakes having been incorrectly done! This was a Main Mercedes dealer who .....
I'd trust a MB main dealer no more than any other garage. If you remember my posts from last Jan re my Airmatic strut I returned the car 3 times to them & got bullshit from them as to why there was nothing to fix, despite it kneeling down 3 times on one
corner. And they can't balance tyres properly.Is that stacked on top of each other? What are they like at balancing them on car wheels?
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....Is that stacked on top of each other? What are they like at balancing them on car wheels?
Rubbish!
They used that many weights, they were actually stacked on top of each other ... all 105 grammes in one spot, and he thought that was acceptable!
It is actually the tyre they're balancing to the rim
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I can only speak as I find, and in 6 years and 70,000 miles of useage I have never had cause to doubt this particular Garage. The tyre balance is spot on!
My only concern is the rolling resistance class of the new tyres fitted. Michelin have stated as they did last time that these tyres are the correct ones. Yet my MPG is about 3-4 miles per gallons down on the previous set which were one class down on the
RR scale.It seems that once the Blue efficiency models are a bit older no-one seems to bother about what was once important!
TF
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