Thread: 72 250 what oil
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Old 08-29-2024, 04:46 PM
Todd Miller's Avatar
Todd Miller Todd Miller is online now
1966 250SE Coupe Owner
 
Join Date: Jul 2005
Location: San Luis Obispo, CA
Posts: 583
5w/30 would be far too thin.

Use 20w/50 in something that contains significant zinc. Zinc has been removed from modern oils so as not to harm the catalytic converters, but it's very important in older engine designs
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1966 W111 250SEC:
DB268 Blaugrün/electric sunroof/4 on-the-floor/4.5 V-8 rear axle
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