I read that a person is to break-in a new engine by varying the rpms and not to go wide open throttle for the 1st 500 miles. But when a new car is taken out for a test drive, the potential buyer will take it down a freeway ramp and open it up to check out its acceleration whille the salesmen is in the back seat encouraging the driver to open it up?
With todays engine technology, fuel, oils is there really a break-in period?
I would think that maybe the engines are pre-run at the engine factory?
With todays engine technology, fuel, oils is there really a break-in period?
I would think that maybe the engines are pre-run at the engine factory?