<travisgod@[EMAIL PROTECTED]
> wrote in message
news:85f0b9db-a9d9-4ce4-bba8-8613beab28ba@[EMAIL PROTECTED]
>> On modern cars, its LESS than idling. They typically shut fuel flow OFF
>> on deceleration until the engine speed drops down to idle speed. So
>> going downhill (in gear) uses zero fuel. Going downhill in neutral
>> requires the engine to idle, so that would in fact use MORE fuel than
>> coasting in gear.
>
> Your stupidity doesn't QUIT, does it?
>
> What if gravity is insufficient to overcome compression losses?
Then you wouldn't be coasting, would you ????? Are you really this
stupid
in real life ???
>
> In THAT CASE, you are better off ****fting to neutral and letting the
> engine consume at idle.
>
> The engine speed will NOT DROP TO IDLE SPEED, you freakin moron,
> because the engine is DIRECTLY coupled to the driveline via either the
> clutch in a manual or the converter lockup (another clutch) in an
> automatic.
>
> Try THIS.
>
> Put your car in automanual mode. Put it in FIRST GEAR. Evaluate the
> decleration rate on a LEVEL road from any given speed versus first or
> second if you do NOT understand engine braking! You will find that
> RPMs typical of highway speeds in top gear involve actually fairly
> HIGH levels of engine braking.
>
> You should immediately notice DECREASED compression braking when you
> put the car into 2nd versus 1st. This is WHY you down****ft to slow
> down.
>
> GD, I do this thing every fking day I drive the kids to school. I put
> the VW into 3rd on a particular decline and let it engine brake to max
> at <40mph so the cops with lasers at the bottom won't tag me. If I
> let the transmission select a higher gear or I did so myself, I would
> exceed the speed limit.
>
> The car MAXES out on this decline around 38mph in 3rd gear. If I
> desire to go FASTER, I MUST use fuel! If I ****ft to 4th, RPMs drop,
> compression braking lessens and I can roll to a higher terminal speed
> at which, if I desire to go faster, I must EITHER increase
> acceleration or decrease deceleration. That could be accomplished by
> up****fting OR pressing on the accelerator.
>
> EITHER WAY, gravity is competing against engine compression and drag.
>
> Do you people even drive cars or are you just idiots? YES, there ARE
> hills in which drag + engine compression > gravity, therefore you MUST
> use fuel or ELSE you remove engine compression as a decelerative load!
>
> Trav


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