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At my last service the garage used 15 / 50 fully synthetic oil. Does this sound a bit heavy? I know there is bound to be a difference of opinion on what oil is best but what do you think?
Its just about perfect mate. Okay, I use Magnatec but thats because I'm a skint flint and I don't really work my car hard. If I'm racing however, I'd use 15W 50.
I was also just wondering what the recomended oil is.. i have a Container of 10w 40 Castrol GTX Magnatex, is this oil ok. Think subaru said i should use 5w 30, whats the difference?
Try not to use 5W 30. Not only does it seems thin, but it also have a low temperature thingy. If you got the cash, use 15W 50. But if you want you can use Magnatec. I do..