Daryl Walford wrote:
> JD wrote:
>> the_dawggie wrote:
>>
>>> the_dawggie wrote:
>>>> Daryl Walford wrote:
>>>>> the_dawggie wrote:
>>>>>> Toby Ponsenby wrote:
>>>>>>> On Wed, 30 Apr 2008 22:02:35 +1000d, Michael C Blathered on
>>>>>>> in4818601a$0$13944$afc38c87@[EMAIL PROTECTED]
>>>>>>>
>>>>>>>> "Michael C" <mike@[EMAIL PROTECTED]
> wrote in message
>>>>>>>> news:48183518$0$17509$afc38c87@[EMAIL PROTECTED]
>>>>>>>>> I noticed that diesels have a lot of torque below idle. If you
let
>>>>>>>>> the
>>>>>>>>> revs of the engine drop when idling up a hill when the revs get
to
>>>>>>>>> around idle you suddenly get a lot of extra torque. Is this just
>>>>>>>>> the way
>>>>>>>>> they work or is the computer opening the throttle some?
>>>>>>>> Thanks for all the replies. Looks like it's just one of the many
>>>>>>>> advantages of owning a diesel :-)
>>>>>>> Paging Dawggie....
>>>>>> hi :-)
>>>>>>
>>>>>> Oh yeah, {turbo} diesel is the only way to go, there just
>>>>>> is so many advantages to it.
>>>>>>
>>>>>> Also no spark plugs, ignition system or anything like
>>>>>> that to set up. In our climate don't usually need the
>>>>>> glow plugs to work.
>>>>> My old Landcruiser always needed its glow plugs, no glow plugs meant
>>>>> no start even on a hot day if the engine was cold.
>>>>>
>>>>>
>>>>>
>>>>> Daryl
>>>>
>>>> Not here.
>>>>
>>>> It is an interesting question. Engine is warm ATM so I
>>>> can't try it. Getting between 8 to 13 C in the mornings,
>>>> have noticed the engine not having much interest in them.
>>>>
>>>> I'll have to do further testing.
>>> 8 C is about the lower end of things - they start to be
>>> needed then.
>> Both my Landrover (Isuzu) and tractor (Perkins), both with indirect
>> injection will start readily at zero without heater plugs, but the
Isuzu
>> starts to need them below that - not sure about the tractor, any colder
>> is not suitable for using a tractor with no windows.
>
> Must be a very old tractor, most of the very many Perkins engines I
> worked on in the 70's were direct injection.
> What model Perkins diesel?
> I can't recall ever seeing a Perkins with glow plugs, they used to have
> a heater in the inlet manifold which was rarely needed in our climate.
>
Actually you are right - I should have checked rather than relying on
memory - it is direct injection, and like most of them, as you say, has an
inlet heater that is never needed in this climate. I actually have no idea
whether it works or not as I have never needed to find out. (Chamberlain
306)
JD


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