Quote:
Originally Posted by Buehler445
The new motors are probably better. Especially the higher end cars but you need the parts to wear together at low RPMs with break in oil so the rings will set in the Pistons and it will get proper compression and not burn oil. But like I said the new motors are probably different than overhauled ones.
It could be they do it in the factory. I believe the factory does it with tractors.
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I've read that, too, but then the argument against it is "well, it's in the manual...". I know the true //M cars are supposed to be taken in after the break-in period for an oil change, but they said mine doesn't require it.
I am glad mine had 3 miles on it when I got it, as opposed to 50 or 100 miles of test drivers beating the shit out of it.