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  1. #21
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    Default Re: Alternator freewheel pulley - faster gear changes

    Part number for the freewheel pulley I am aware is being used by a Smart car is 6601500060. Price confirmed by Mercedes dealer in Aberdeen this morning: 102 plus VAT.

  2. #22
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    Default Re: Alternator freewheel pulley - faster gear changes

    Quote Originally Posted by tolsen123 View Post
    Part number for the freewheel pulley I am aware is being used by a Smart car is 6601500060. Price confirmed by Mercedes dealer in Aberdeen this morning: 102 plus VAT.
    thud.gif
    This is the whole alternator right ?

    A freewheel pulley eliminates any belt slippage or squeal at engine deceleration such as when shifting up in gear.
    This is a nonsense benefit:
    Squeal, when you have it (and slippage) is on acceleration, not deceleration
    Last edited by TheAlmostInvisibleMan; 18th April 2016 at 09:44.
    fq101.co.uk

  3. #23
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    Default Re: Alternator freewheel pulley - faster gear changes

    Quote Originally Posted by TheAlmostInvisibleMan View Post
    Attachment 3115
    This is the whole alternator right ?

    This is a nonsense benefit:
    Squeal, when you have it (and slippage) is on acceleration, not deceleration
    102 plus VAT just for the pulley so not cheap.
    Sqeals can be heard both on acceleration and deceleration. Perhaps more like a chirp on deceleration.
    Last edited by tolsen123; 18th April 2016 at 13:56.

  4. #24
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    Default Re: Alternator freewheel pulley - faster gear changes

    On reflection , ....... after considering all the points raised in this thread .......

    I think we've entered: https://www.youtube.com/watch?v=NzlG28B-R8Y

    fq101.co.uk

  5. #25

    Default Re: Alternator freewheel pulley - faster gear changes

    I like this idea.
    http://www.eurekamagazine.co.uk/desi...-engine/39568/

    Other car companies must be fitting them for a reason. From what I can see it's more for efficiency and extended belt longevity than increasing mpg but I'm happy to buy one and give it a try to see what I think instead of assuming that it'll do nothing.

  6. #26
    Join Date
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    Stavanger, Norway
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    Default Re: Alternator freewheel pulley - faster gear changes

    Many years ago we had a tv-show showing a juggler with four or five bats or whatever it was.
    The question was : Standing on a weight, will the total average weight of the person and his bats be ligher as the bats are thrown into the air ?
    The answer was a definitive NO!
    Reason is you apply downwards energy (alas weight) to get the bat up in the air.

    Same thing with a freewheeled alternator. Sooner or later you have to pick it up, and that will cost you your 'saved' energy.

    That said, please go on and spend your money. It will be less effective than a DV when it comes to gearchange times wich is promoted here.


    Some things are fun. Others are not

    Frodie fancies fun over not

  7. #27
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    Default Re: Alternator freewheel pulley - faster gear changes

    Benefits summary:

    Faster gear changes shifting up.
    Smoother idle.
    Improved fuel consumption.
    Reduced emissions.
    Increased life tenfold of auxiliary drive belt.
    Faster acceleration.
    Improved driving experience.

    Allows you to enjoy the Smart as Swatch intended.

  8. #28
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    Jun 2005
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    Default Re: Alternator freewheel pulley - faster gear changes

    Have been out test driving a 0.6 Smart 450. This one has a brand new clutch actuator fitted by myself a few weeks ago. Correctly preloaded and bite point adjusted. Its gear changes are lethargic compared to 450 Cdi. The 0.6 Smart is also rather noisy. Perhaps my ears are noise cancelling because of 14 years exposure to the Cdi?

    Back to gear changes. Petrol 450 Smarts have slightly smaller alternators but they are reved higher than the diesel so I conclude they will also benefit from freewheel pulleys, perhaps even more so than the diesel. Has anyone tried fitting a freewheel pulley on a petrol 450?

  9. #29
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    Default Re: Alternator freewheel pulley - faster gear changes

    Quote Originally Posted by tolsen123 View Post
    Benefits summary:

    Faster gear changes shifting up.
    Smoother idle.
    Improved fuel consumption.
    Reduced emissions.
    Increased life tenfold of auxiliary drive belt.
    Faster acceleration.
    Improved driving experience.
    I am sorry to have to tell you this, but you missed April 1st by about a couple of weeks.

    What you present here is a bagful of claims you have absolutely no backup for.


    Some things are fun. Others are not

    Frodie fancies fun over not

  10. #30
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    Jun 2005
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    Default Re: Alternator freewheel pulley - faster gear changes

    First real test of fuel economy after fitting altenator freewheel pulley:

    Yesterday I went for an ice cream day trip to Mallaig on the west coast. Normally an 8+ hour round trip from Banchory but did it in 6 hours 40 minutes. Windy undulating roads most of the way with several high mountain passes. Car fully laden plus a wee bit more. Driver and passenger, tools enough to change engine, spare fuel, spare wheel and jack, food, cooking gear, camping seats, Lidl tent etc etc.

    Average round trip mileage 74.5 miles per UK gallon. Based on topping up tank twice.
    Last edited by tolsen123; 24th April 2016 at 06:49.

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