Engine oil
After some advice please chaps.
So I was advised to use 5-40w engine oil on scoobynet, but today after going to Halfords the guide said magnatech 5-30w fully synthetic. I checked with the advisor and he looked on his computer and said it was correct so I went with the 5-30w.
Should I stick with this? Bog standard 2004 wrx if it makes a difference.
Cheers in advance,
Iain
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