Just a question about this ... the last oil change i did, I put in some Castrol synthetic (5W 40 I think?), and now (when the engine has been running for a while, and is pretty warm) the oil pressure gauge sits pretty darn close to the red "Low" section on the left of the dial.
Is it really bad to have such a small amount of oil pressure? Or am I just being paranoid?!
I think I might go with magnatec in future ...