engine break-in

Break-in or breaking in, also known as run-in or running in, is the procedure of conditioning a new piece of equipment by giving it an initial period of running, usually under light load, but sometimes under heavy load or normal load. It is generally a process of moving parts wearing against each other to produce the last small bit of size and shape adjustment that will settle them into a stable relationship for the rest of their working life.
One of the most common examples of break-in is engine break-in for petrol engines and diesel engines.

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    Short trips FE

    Hello, This might have been discussed somewhere but i now i have done a real test. In a toyota chr , if i do 3 two mile trips the same day in normal city driving conditions, the fuel economy is something like : 8.5 then 6.5 then 3.5 l With MG ZS it's rather 10 then 8.5 then 7 l There is...
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    • city driving engine break-in fuel economy hybrid system mg zs hybrid+ short trips toyota chr
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