Thread: 126 V8 Oils
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Old 06-03-2007, 07:37 PM
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Hatterasguy Hatterasguy is offline
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Join Date: Nov 2002
Location: Milford, CT
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I run Delvac 1 5w40 in my old diesels and it seems to work great, I would think the gas engines of similer vintage would like it as well. According to my 603's owners manual 5w40 is recomended for just about all temps.
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