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new ford fiesta; 1000Km service. Is it necessary?
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nzh0920
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 Jul 18 2011, 07:11 PM
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Getting Started
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i also saw the booklet mention do not rev the engine when in first 1k km, kinda weird cause when i watch mega factories series,
bently rev their newly assembled engine in engine room for 8 hours ( i think is for break in? ) in full rev ( forgot how high), audi , lamborghini all do the same, rev at 8000rpm + for hours . that y i don know y they recommend don rev over 3k, but in real condition rev less than 3k rpm very hard for me lo..... i get my new inspira , already 6.xk rpm + , i decided to ignore the manual advised.
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nzh0920
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Jul 18 2011, 08:01 PM
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Getting Started
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do you actually understand what i mean?if not please read again what i comment at above. i not mean that lamborghini had factory broke in procedure, what i means is lamborghini/ bently those factory drive their new engine hard, while ford / proton recommend not drive over 3k rpm? this is weird right, thats why i decided to ignored it.
This post has been edited by nzh0920: Jul 18 2011, 08:06 PM
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nzh0920
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Jul 18 2011, 08:16 PM
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Getting Started
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QUOTE(maddriver @ Jul 18 2011, 08:11 PM) one is a hand made engine, with strict tolerance measures........ another is mass produced engine....... what do you think? then you mean what here mention is not truth also? QUOTE What's The Best Way To Break-In A New Engine ??
The Short Answer: Run it Hard !
Why ??
Nowadays, the piston ring seal is really what the break in process is all about. Contrary to popular belief, piston rings don't seal the combustion pressure by spring tension. Ring tension is necessary only to "scrape" the oil to prevent it from entering the combustion chamber.
If you think about it, the ring exerts maybe 5-10 lbs of spring tension against the cylinder wall ...
How can such a small amount of spring tension seal against thousands of
PSI (Pounds Per Square Inch) of combustion pressure ??
Of course it can't. This post has been edited by nzh0920: Jul 18 2011, 08:18 PM |
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nzh0920
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Jul 18 2011, 08:35 PM
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Getting Started
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QUOTE(maddriver @ Jul 18 2011, 08:21 PM) read what i wrote...... carefully........ what you mean is like hand made engine need to hard break in procedure, while mass production engine need to break in with "drive like turtle" procedure, right? i thought that hand assembled engine like lamborghini factory got precise measurement in their engine which require less time to break in? no? from that article i posted, author wrote we need drive it hard to let piston ring seal shave off it over size to its correct size. if lambo's engine precisely measured parts and assembled also need to drive it hard to break in , then why not for mass production engine? can explain why? |
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nzh0920
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Jul 18 2011, 08:42 PM
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Getting Started
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my pass experience on waja, rev hard also , until now 9 years old engine still run strong even i drive daily 4k ~ 5.5k rpm usual, some time also drive up to genting will 6.5krpm. this my pass experience la, may b not apply to other, so i do the same to my inspira also.
Added on July 18, 2011, 8:43 pmand yes, i like to push my car when condition allow, else why i bought a manual car?
Added on July 18, 2011, 8:45 pmand also , you wan prolong your engine's life, not only that you not rev your engine high can be done, but using good engine oil will help too.
This post has been edited by nzh0920: Jul 18 2011, 08:45 PM
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