From: "Robert Comer" 

> b) Regular service.  Mixture adjusted every week, OXS sensor changed every
> 40,000 miles, etc.

Mixture?  How hard is that to do on an Audi and why does it need adjusting
so much?  Here it's all handled by computer and it would be a total pain
(time and cost-wise) to do anything every week.

> The third trick is how you drive.  Just imagine you're in a semi with a
> 100-yard braking distance - the instant you see any kind of slowing, you
> come off the gas.  The Type 44 has a decelleration shutoff valve - as soon
> as the system sees no acclerator input and high inlet vacuum pressure, it
> "shunts" the inlet air mass sender to cut the fuel completely.

That's an interesting trick, don't think I've seen before.

> They are truly great cars for fuel economy, but there's quite an effort
> involved in keeping quite complex economy measures working properly.

Sadly, most people wouldn't bother. :(

--
Bob Comer


"Phil Payne"  wrote in
message news:44560bd2$1{at}w3....
> "Robert Comer" 
wrote in message
> news:44560531{at}w3....
>> I thought there was a little difference, but your type 44 still gets
>> impressive mileage.  Wish it was for sale here and at a price I could
>> afford, it really is significantly better than most cars here.  (You have
> to
>> go to shoebox cars or TDI to get any better.)
>
> Two reasons:
>
> a) Aerodynamics.  The Type 44 remains one of the slippiest cars ever
> built -
> cw below 0.32
>
> b) Regular service.  Mixture adjusted every week, OXS sensor changed every
> 40,000 miles, etc.
>
> The third trick is how you drive.  Just imagine you're in a semi with a
> 100-yard braking distance - the instant you see any kind of slowing, you
> come off the gas.  The Type 44 has a decelleration shutoff valve - as soon
> as the system sees no acclerator input and high inlet vacuum pressure, it
> "shunts" the inlet air mass sender to cut the fuel completely.
>
> They are truly great cars for fuel economy, but there's quite an effort
> involved in keeping quite complex economy measures working properly.
>
>

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