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      01-29-2013, 05:30 AM   #7
JL350
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Australia
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Drives: 2.0D X4
Join Date: Aug 2012
Location: Perth, Australia

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The only break in procedure I have used for new cars is to warm the engine up before putting it under load, ie a couple of minutes. Also for the first 100km or so not driving at ten tenths, ie redlining in every gear, heavy engine breaking etc. My cars have never used oil, or had any mechanical issues.

Varying the engine load and revs I believe is important to breaking in the drive train. Most new engines the manufacturer puts on the dyno get revved through to redline under load after a suitable warm up period to get to operating temperatures.

I think by the time you get used to the new car, and feal confident it is probably broken in.
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