Originally Posted by GT-R man

break in periods are not there so your car can produce higher RPMs break in are for making your car last longer.. yes engines that are abused from day one will have a tendency to put out more power due to the computer systems in the car such as VVT system will learn the way the owner drives and when it comes testing time it will replicate the way the driver uses the car. If someone babies that car the computer will do the same on the test because it is used to using less power and making better MPG... does this sound logical to anyone? I would hope so