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Old 12-10-2009, 01:24 AM   #11 (permalink)
AH370Z
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Join Date: Jun 2009
Location: Australia - Sydney
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Drives: 11' 370z, 13' E92 M3
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If you baby the car from new you wont be getting the most out of the engine.
You are not going to break anything by driving it hard. If something is going to break its going to break regardless of soft or hard.

If break in was really that critical I think it would be in big red letters and stuck on your steering wheel for example, and not hidden away in the manual. I dont remember any dealers pointing out break in procedure.

As long as the engine is warmed up and you dont thrash it too much creating too much heat which will result in glazing.

The reason manufactures suggest a easy break in, is for many reasons I think, like so you get used to the car and don't have a accident and advising easy break in is easier than suggesting a hard break in attached with many caustions that may get ignored like excessive heat build up from excessive hard runs, engine not at optimal temp before running hard.

My engine has 2,500km and is well run in and has losened up. I gave mine WOT upto 4,500rpm and gradually worked my way up to redline as more keys were on.

Just warm it up and drive it like its meant to be
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