gti mileage

[LL - NY]

Hydro resistance? Like a boat.

I suppose you could reduce it by getting your tires up on plane, as in
hydroplane ;-).

On 5/5/07, Huw Powell <audi at humanspeakers.com> wrote:
>
>
> > One reason I would guess is that the mixture has to be richer to
> compensate for
> > the cold temps. But I'm sure fuel composition has a big impact too.
>
> 1. oxygenated fuel
> 2. longer warm up time spent running rich
> 3. heavier electrical load due to darkness, defroster, etc.
> 4. more poor traction situations
> 5. less cruise control use
> 6. cold dense air can make more power, one might use it
> 7. large diameter winter tires throw off the distance reading
>
> While I tend to blame the RFG (1) most, I have noticed that I get worse
> mileage in rain, so (5) might be quite important too.  Or maybe the rain
> increases rolling resistance?
>
> --
> Huw Powell
>
> http://www.humanspeakers.com/audi
>
> http://www.humanthoughts.org/
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