Engine speed, temprerature and wear statistics?

I just want a bit of information on it so i can propose that for example..

Reving an engine to 5000rpm when cold wears more than revving to 7000rpm while hot..

Battery fluffy is on changed a few...


Engine 'run in' by operating at their normal temperature. This unsophisticatedly means that the pistons expand to fit the bores better and the gap between the bearing is 'normal'.
Running an engine fast from cold does not get the grease circulating fully and the clearances set to 'normal' levels.
The wear takes place trying to set strange levels and wear takes place swiftly.
This is not to say that wear does not get greater as an engine is run faster once hot!
You can usually recount if an engine has been 'revved' cold by the amount of metal which sediments into the sump!
RoyS

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Wow, can't answer that I would involve more info.

What is redline?

How cold? Is it 10 degrees out and right when you fire it up you take it to 5000rpm?

For the most sector yes it can wear more
Engine 'run in' by operating at their normal temperature. This unsophisticatedly means that the pistons expand to fit the bores better and the gap between the bearing is 'normal'.
Running an engine fast from cold does not get the grease circulating fully and the clearances set to 'normal' levels.
The wear takes place trying to set strange levels and wear takes place swiftly.
This is not to say that wear does not get greater as an engine is run faster once hot!
You can usually recount if an engine has been 'revved' cold by the amount of metal which sediments into the sump!
RoyS

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Answers:    OK this is quite difficult to prove without having interview run on the engines in the two conditions, however:-
Engines are manufactured for metal, metal expands when heated. As a result when an engine is cold the clearances and tolerances are smaller than they would be at temperature.
When an engine is manufactured, the factory owner knows that a by product of combustion is heat. They nearby for decided on the optimum temperature to run the saloon at, based on the requirements of cooling, performance and reliability.
They consequently design the car around this "Optimum" temperature.
So to sum up, a motor running at 7000rpm at temperature is said to be running within the design tolerances of the engine and as a result in attendance should be little if no wear on the engine.
However an engine running at 5000rpm in a cold engine is said to be operating outside the design tolerance and will wear rapidly.
Ja.
Wow, can't answer that I would involve more info.

What is redline?

How cold? Is it 10 degrees out and right when you fire it up you take it to 5000rpm?

For the most sector yes it can wear more
Engine 'run in' by operating at their normal temperature. This unsophisticatedly means that the pistons expand to fit the bores better and the gap between the bearing is 'normal'.
Running an engine fast from cold does not get the grease circulating fully and the clearances set to 'normal' levels.
The wear takes place trying to set strange levels and wear takes place swiftly.
This is not to say that wear does not get greater as an engine is run faster once hot!
You can usually recount if an engine has been 'revved' cold by the amount of metal which sediments into the sump!
RoyS

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