Looking at the typical characteristic for viscosity (mm.sq/s) for each Castrol Edge oil weight, it is as so
Code:
Temp 5w30 5w40 5w50 10w60
40C 66 75 109 163
100C 11 13 17 23
There are differences when the engine/oil is warm. I would still use VCDS and get two references for your current oil temp (I guess it's 5w30). Mrs Daisy v's Mr Marcin. Then we can see how hard your oil is working before making changes to oil weight.
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Matt
2004 A8 3.7q, 1998 A4 2.8q, 1994 Coupe 2.8q SORN,
Last edited by mattylondon; 6th September 2017 at 02:59 PM.
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6th September 2017, 02:56 PM
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