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Vinny_VSX · 16th June 2007, 14:50

So if 5w - 40 is a thinner oil, surely at high revvs it won't protect as much as 15w-40?

I pretty much understood half of what you just said mate. Great answer, but the dummy reading it isn't too hot on his engines

16th June 2007, 14:50	#188
Vinny_VSX Saxperience Forum Bum Join Date: Mar 2007 Location: Bath/Warminster Posts: 2,616 Car(s): 57 plate C2 VTS & a saxo 1.4	So if 5w - 40 is a thinner oil, surely at high revvs it won't protect as much as 15w-40? I pretty much understood half of what you just said mate. Great answer, but the dummy reading it isn't too hot on his engines