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Old 20th February 2008, 14:02   #284
leontige
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Join Date: Feb 2008
Posts: 2
Car(s): saxo 1.1 98'
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Default engine-gear oil

Hello sikolene 5w-40 and 15w-50 are the same quality just different sae?Also what to prefer 75w80 or 75w-90 for gear oil?Are 75w-80 fully synthetic?Thank you
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