PhatBimmer said:
Yes synthetic is more slippier and you don't use it to break in a car. Also if it came already in there your car was already probably broken into in a dyno.
You're full of shit dude. New ferrari's and bmw's and mercs and porsches and honda's and etc. and formula 1 cars run synthetics from the start. Along with all the GT race series including the 24 hour lemans endurance races. As do rally cars who undoubtedly put up with more stress than your car ever could imagine seeing.