Good set of glow plugs?

TCubed · Apr 9, 2012

In the current times of unreasonably priced diesel, I'd like to be able to turn my P38's engine off at lights/crossings etc
Since it's a diesel though it would need some sturdy glow plugs for that. So my question: how good are the glow plugs in the DHSE, (let us assume that they've had at least 10000 miles work, because I don't know when they were replaced). Would it be worth investing in some high quality modern ones so I can do stop-start driving? Would hot start be an issue?
Thanks!

blue beasty · Apr 9, 2012

why would you need to use glow plugs when the engines hot?

Silverlandy · Apr 9, 2012

TCubed said:
In the current times of unreasonably priced diesel, I'd like to be able to turn my P38's engine off at lights/crossings etc

But you drive a Range Rover, surely this is as useful as a chocolate teapot in the big scheme of things?

Datatek · Apr 9, 2012

Glow plugs do not operate on a hot engine, watch your glow plug light when you re-start with a hot engine, unless it has the hot start mod it will not come on.

TCubed · Apr 9, 2012

blue beasty said:
why would you need to use glow plugs when the engines hot?

Well technically you don't, however (please correct me if I'm wrong) don't they fire up whenever ignition is on (albeit shortly)? Essentially if any time's required to let them warm up at all that's not tolerable for use in stop start technology. When the engine's warm though does it not matter? Because if not I may start doing this anyhow?

blue beasty · Apr 9, 2012

TCubed said:
Well technically you don't, however (please correct me if I'm wrong) don't they fire up whenever ignition is on (albeit shortly)? Essentially if any time's required to let them warm up at all that's not tolerable for use in stop start technology. When the engine's warm though does it not matter? Because if not I may start doing this anyhow?

Hmmmm.....stopping for a few minutes and then starting again.....

Think I'd risk it

blue beasty · Apr 9, 2012

Silverlandy said:
But you drive a Range Rover, surely this is as useful as a chocolate teapot in the big scheme of things?

In slow moving traffic I hop out and walk beside my Series to reduce weight.......of course leaving the drivers door open increases the effect of air resistance and negates the advantages of a lighter load somewhat, but every little helps.

Difficult to measure exactly but I feel confident that in a few 100,000 miles I will be able to present some approximate comparative figures.

Watch this space.......

wammers · Apr 9, 2012

TCubed said:
Well technically you don't, however (please correct me if I'm wrong) don't they fire up whenever ignition is on (albeit shortly)? Essentially if any time's required to let them warm up at all that's not tolerable for use in stop start technology. When the engine's warm though does it not matter? Because if not I may start doing this anyhow?

As Keith quit rightly said glow plugs are not used with a hot engine unless you have hot start fitted. Don't think your idea has much merit. You will wear seveal things out before their time doing it. The stop start cars are only a gimic anyway.

thought it was mine! · Apr 9, 2012

someone has missed a point here most p38 dont keep enough power in battery to start in morning never mind 6,7 or 8 times on the way to work

eightinavee · Apr 9, 2012

thought it was mine! said:
someone has missed a point here most p38 dont keep enough power in battery to start in morning never mind 6,7 or 8 times on the way to work

That is a very good point,and once the coolant is over 60c the glows dont come on.If fuel consumption is such a priority get a ****roen C1 or similar.....

Soloby Rob · Apr 9, 2012

TCubed said:
In the current times of unreasonably priced diesel, I'd like to be able to turn my P38's engine off at lights/crossings etc
Since it's a diesel though it would need some sturdy glow plugs for that. So my question: how good are the glow plugs in the DHSE, (let us assume that they've had at least 10000 miles work, because I don't know when they were replaced). Would it be worth investing in some high quality modern ones so I can do stop-start driving? Would hot start be an issue?
Thanks!

False economy mate, price up a starter motor and fitting costs.

wammers · Apr 9, 2012

Soloby Rob said:
False economy mate, price up a starter motor and fitting costs.

Exakerly.

matt1987 · Apr 9, 2012

Stop-start technology is to reduce co2 emission from vehicles not fuel economy

TCubed · Apr 9, 2012

matt1987 said:
Stop-start technology is to reduce co2 emission from vehicles not fuel economy

I've got a Jag X-Type which blinds all the cars behind me in black smoke should it be revved to the red! So really not too bothered about saving CO2 for people who believe in the Carbon malarchy. Although I should point out that by definition saving CO2 emissions also improves fuel economy. If the octane or hexadecane isn't going anywhere it's staying in the tank.

However it does sound as though this idea isn't worth it; which to be honest I agree with, I don't really think the savings will outweigh the initial cost.

Mine doesn't have a hot start problem: am I lucky or has it been fixed?

Soloby Rob · Apr 9, 2012

TCubed said:
I've got a Jag X-Type which blinds all the cars behind me in black smoke should it be revved to the red! So really not too bothered about saving CO2 for people who believe in the Carbon malarchy. Although I should point out that by definition saving CO2 emissions also improves fuel economy. If the octane or hexadecane isn't going anywhere it's staying in the tank.

However it does sound as though this idea isn't worth it; which to be honest I agree with, I don't really think the savings will outweigh the initial cost.

Mine doesn't have a hot start problem: am I lucky or has it been fixed?

You have a P38 and an X Type, and you want to save money by switching yer engine off in traffic, ya taking the **** aint ya. :scratching_chin::scratching_chin:

TCubed · Apr 9, 2012

Soloby Rob said:
You have a P38 and an X Type, and you want to save money by switching yer engine off in traffic, ya taking the **** aint ya. :scratching_chin::scratching_chin:

Yes, because I choose to invest in things that are worthwhile, rather than an irritating canal boat sound at traffic lights.

thought it was mine! · Apr 9, 2012

invest in thing that are worth while p38!! lost your arguement ther mate

Soloby Rob · Apr 9, 2012

TCubed said:
Yes, because I choose to invest in things that are worthwhile, rather than an irritating canal boat sound at traffic lights.

Then buy a pushbike ya knob.

And the sound of a canal boat engine is pure music, not normally a sound heard in traffic.:confused2:

TCubed · Apr 9, 2012

Soloby Rob said:
Then buy a pushbike ya knob.
And the sound of a canal boat engine is pure music, not normally a sound heard in traffic.:confused2:

Now come on be polite. The cars I own is irrelevant to this discussion. A method by which I'm interested to learn how to save fuel is relevant. Now since this idea of stop start's been suggested by others to be futile, I will just continue my economic driving style.
With regards to having a worthwhile P38.. fair point

Soloby Rob · Apr 9, 2012

TCubed said:
Now come on be polite. The cars I own is irrelevant to this discussion. A method by which I'm interested to learn how to save fuel is relevant. Now since this idea of stop start's been suggested by others to be futile, I will just continue my economic driving style.
With regards to having a worthwhile P38.. fair point

But I am being polite

Good set of glow plugs?

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