I don't recall Valvoline VR1 having a 10w-40, only 10w-30 or 20w-50 (and straight weights)? I had been using the Valvoline VR1 10w-30, but thought I'd try Driven HR5 10w-40
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1970 GTO (Granada Gold) - 400 / TH400
Last edited by vertigto; 03-11-2024 at 08:33 AM.
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