Castrol GTX Magnatec 15W-40

Advantages: Brilliant stuff.
Disadvantages: None at oil . : )

...to be reviewing here, is Castrol Magnatec GTX 15W-40, this is a synthetic motor oil. It has been been described as a breakthrough in engine oil technology, Castrol Magnatec is a high quality product containing esther molecules, these provide a unique molecular attraction. The molecules are actually attracted to metal surfaces, hence the name Magnatec. They provide a continuous oil film, even when your engine is switched off. It is a well known fact ...
...very bad for your engine. Castrol has a good long history of interesting adverts, try Googling "Castrol adverts" if you have that much time on your hands! Miles. The higher your mileage, and the more engine wear you have, the faster your oil tends to burn off, the piston rings wear out, losing compression and allowing oil to pass them, also the seals deteriorate, your gaskets go brittle, and you lose power and performance. Cure? Yes there is ... Read review