then you mean what here mention is not truth also?

Proton Persona owner here. Yes it is not advisable to not rev your car to >3k rpm to preserve your engine. Btw just to tell you that. Proton produce >300 cars per day. Correct me if i am wrong.

All the engine block and whatever inside the engine are ready made which they produce and cut out from the mold. By the robotic hand assembling will left out the waste metal or other metal stuffs which are tiny inside our engine.

As you said to rev>3k to improve you engine. I agree but after 1st service meaning is >1000km. Not proton want to earn you money, did you ask proton sc why i cant change my engine lub at 1st 5000km? The 1st 1000km is to let you new baby engine to wash itself with the lubricant. If u notice the 1st 1000km lub being drain out from our engine contain the most waste metal. This is what i saw when the SC drain out the lub for my persona can see with naked eye.

Let said u rev your car after you got it 1st day >3k you new baby will get hurt with all the metal scratch its body and make engine a big burden like you are swallowing munched biscuit without drinking water. Hard to swallow is it. 

After 1st 1000km service, rev you car to the maximum till 5000km. I rev to 6.5k to reveal my new baby true power. LOL now my baby are very powerful.

lamborghini or what so ever other branded car they can rev gao gao cos all their item are custom made and handly made. all the every piece of the car are engineered. Of cause they can push to the limit la. Their car price also >10times expensive la. What are you expecting oh bro.

Here is the 2012 Lamborghini Aventador video

http://youtu.be/vadbXg859GA

No offence but i do have a fren who own a hilux. 1st day rev very gao and drive 180KM per hour to college.   after 1k service top speed is 160KM per hour until now. Japan car leh. He damn regret sia.