1975 LeSabre 350 what oil should I use

Asked by GuruFG3B9 May 09, 2020 at 02:22 PM about the 1975 Buick LeSabre

Question type: Maintenance & Repair

oil to use

2 Answers

F_O_R answered 4 years ago

I would use 5W30 if the engine is in good shape. 10W40 or 20W50 if it smokes or uses a lot of oil.

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james answered 4 years ago

Definitely conventional oil. Not synthetic or synthetic blend, unless a previous owner has been using it. Hope that helps! Jim

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