michael769 wrote:You can now buy "night-before" de-icers.
TripleS wrote:Going back three or four years the Peugeot dealer that I go to was saying something about diesel fired heaters, and he seemed to be implying that such a device - rated at about 1 KW - was fitted on our 406 HDi.
michael769 wrote:...99% of all engine wear occurs when the engine oil is below its normal operating temperature, therefore it is desirable to have the engine heat up as fast as possible. The best way to warm an engine up is by driving it normally....
firstmk1 wrote:michael769 wrote:...99% of all engine wear occurs when the engine oil is below its normal operating temperature, therefore it is desirable to have the engine heat up as fast as possible. The best way to warm an engine up is by driving it normally....
I thought that the best way to warm an engine is to fire it up and rev it in neutral? The greatest wear occurring when the engine is put under high load, prior to reaching operating temperature.
crr003 wrote:If all these different methods of warming up were important, surely my Astra would have a temperature gauge?
It doesn't, therefore Vauxhall must know something...........?
firstmk1 wrote:michael769 wrote:...99% of all engine wear occurs when the engine oil is below its normal operating temperature, therefore it is desirable to have the engine heat up as fast as possible. The best way to warm an engine up is by driving it normally....
I thought that the best way to warm an engine is to fire it up and rev it in neutral?
The greatest wear occurring when the engine is put under high load, prior to reaching operating temperature.
crr003 wrote: If all these different methods of warming up were important, surely my Astra would have a temperature gauge?
It doesn't, therefore Vauxhall must know something...........?
martine wrote:TripleS wrote:Going back three or four years the Peugeot dealer that I go to was saying something about diesel fired heaters, and he seemed to be implying that such a device - rated at about 1 KW - was fitted on our 406 HDi.
Off-topic but...TripleS: did you see Top gear last night - one of the audience claimed the 406 was the best car ever made...was it you in disguise?
michael769 wrote:Additional wear is caused if the engine is taken to very high revs (>90% of maximum in a modern engine) when cold, mainly due to the cold oil's lubricating abilities declining as the revs rise. Modern synthetic oils have reduced this effect of significantly so the need to be gentle with a cold engine is much less than it once was.
waremark wrote:michael769 wrote:Additional wear is caused if the engine is taken to very high revs (>90% of maximum in a modern engine) when cold, mainly due to the cold oil's lubricating abilities declining as the revs rise. Modern synthetic oils have reduced this effect of significantly so the need to be gentle with a cold engine is much less than it once was.
Your choice of the 90% figure is interesting. I remember JL teaching that you should avoid using 'the last 1,000 revs' for the first few minutes.
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