Quote:
Originally Posted by Dean in Milwaukee
I wonder if the car could still be breaking in at the 3k mile mark?
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Sure is. Maybe only 1/2 way broken in. It takes at least 5k miles (or more) for the Compression rings to expand outwards towards the cylinder walls. This results in increased compression which equals more power. More power at the lower RPMs means the engine doesn't work as hard and actually decreases fuel consumption.
BTW, do NOT baby your new engine. That is absolutely the worst thing you can do to a brand new engine. Drive it as you normally would with frequent WOT events (highway on ramps are perfect for this).
