75w-90

  1. Rod Knock

    Castrol Syntrax 75W-90 Long Life and 75W-140 Limited Slip - Anyone using it?

    I have to do my driveline service and I was looking at different gear oils. I know that Redline Gear Lube is popular, and I have no doubt that it's very good. Alternatevely I am also partial to Castrol products, and looking at the spec sheets and manufacturer approvals that their European...
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