Quote:
Originally Posted by MvCrash
If the syn oils stop engine break in, why do high end cars come from the factory with syn oils ie: Mercedes, Ferrari, Corvettte, Viper ? Would'nt the syn oils stop them from breaking in also?
Just wondering....
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The tolerances on those cars are super precise and dont need much "break in". Also, all manufacturers "break in" the engines during the preinstall run. Trust, me.....They drive it like they stole it before it ever gets put in the car.