when CASTROL sez ...

[bonnie john]

"magnatec 10w-40 SM/CF Semi synthetic technology", what does this mean ?

"semi synthetic" from the people who brought you "mineral synthetic". is there a new definition for semi or is it just another word for blend

just wonderin'

 

[JHZR2]

probably a blend

 

[Quattro Pete]

Yup, it's group II with a little dose of group III.

 

[aquariuscsm]

A dino/dino blend.

 

[Gary Allan]

From the people who redefined the meaning of synthetic in the North American market, we bring more word games tewe ewes Oz's

 

[sprintman]

Contains ester. don't ever think of using this with RX. Been there done that. Cheers..s