Quote:
Originally Posted by TommyW
Break in is critical to Long engine life.
500 mi below 4500 rpm with varying rpm
No synthetic oil for 3000 mi
Change oil At 500 mi again at 1500 mi.
The early miles are crucial for seating the rings and eliminating contaminants.
Difficulty factor the same as not sleeping with a new girlfriend for a month
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Uhhhh.... doesn't the car come from the factory with a synthetic fill ?
These engines are probably 90% "broken in" from being test run before they even leave the factory. I am a believer in the first early oil change though.
The only engine I've ever "broken in" by going by a strict set of rules was an old SBC with a replacement flat tappet cam. The kind that eat lobes and go flat if you don't do it properly. Thank god we don't use that junk anymore.