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Thread: Car Detail + Fuel = Question?

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    Default Car Detail + Fuel = Question?

    Ok chaps what do you reckon to this.

    Drove from Dorset to the cotswolds on friday like i do most weekends. I'm never in a hurry, so keep to the speed limits and back off a bit when the roads are clear and i am not going to hold anyone up. Trip is 87 miles door to door.

    Average MPG is about 38mpg.. and i have done this exact same journey countless times with the same mpg.

    Detailed the car on Friday.. paint is now smooth as silk

    Return journey today, no difference in driving style or traffic, and i managed just under 41mpg!! Big difference.

    Normally use Tesco 95 petrol but today topped up with Esso 95.

    I am pretty sure that the different fuel played the biggest part in the increase of mpg, but cant help wondering if the new super silky paintwork played a part?

    Anyone care to comment if they have noticed a difference in fuel economy after detailing the outside of their car?!!

    Rgds
    Aidi

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    Regular Member Handyandy-UK's Avatar
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    Drag is surprisingly expensive stuff.... clean and polish your car... save a good bit over time.

    Non-supermarket fuels typically contain a lower percentage of bio-ethanol (the supermarkets get a better tax/profit margin with a higher mix) which most people will notice the engines prefer and perform a little better with.

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    Regular Member R-ford_Vec_C's Avatar
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    Yes! Always seems more eager to move off and smoother on the motorway etc, however I think this may just be mind over matter

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    Full Member bobssignum's Avatar
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    Another factor is that the outside temperature,s have risen over the last week 18 deg c on friday which also increases fuel consumption
    Driving vauxhall,s for 30 + years
    and still loving it

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    Regular Member Grumpy1954's Avatar
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    Quote Originally Posted by bobssignum View Post
    Another factor is that the outside temperature,s have risen over the last week 18 deg c on friday which also increases fuel consumption

    Do you mean increases fuel consumption, which would mean using more, or increasing MPG? Curious as I'm interested in the temperature's affect on cars.
    Allready know cold air = diesels go better lol.

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    never noticed a difference with a car, but my cars are waxed/ polished as soon as I get them,, but Some years ago I used to do a lot of metal polishing, a chap who had a 125cc racer, It was doing 105 mph through the speed trap,average over 5 runs,, after I polished the fairing ect, with a polish I used to get get from the US, AVERAGE through the speed trap was 108 mph, lots of factors were taken into consideration but the rider was convinced the bike was quicker after I had polished it.

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    Regular Member Fruit'n'nut's Avatar
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    Quote Originally Posted by Grumpy1954 View Post
    Do you mean increases fuel consumption, which would mean using more, or increasing MPG? Curious as I'm interested in the temperature's affect on cars.
    Allready know cold air = diesels go better lol.


    Mine's recording an improved mpg figure of around +5mpg now the temperatures have been between 7-15c, rather than sub-zero.

    I suppose winter fuel has a different degree of additives, which makes the fuel less economic.

    FWIW, I think the difference between winter/summer diesel and correct pressures in your tyres will make more difference than whether or not your car has been polished, in the long term.

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    Full Member bobssignum's Avatar
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    Quote Originally Posted by Grumpy1954 View Post
    Do you mean increases fuel consumption, which would mean using more, or increasing MPG? Curious as I'm interested in the temperature's affect on cars.
    Allready know cold air = diesels go better lol.
    Sorry i got totally backwards it should be colder the temps higher the fuel consumption .
    apologies folks
    Driving vauxhall,s for 30 + years
    and still loving it

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