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The GM 216ci and the 235ci recommended oil is SAE 50. SAE 50 is practically not available.
What SAE oil equivalent can I use on our 216ci?
What SAE oil equivalent can I use on our 216ci?
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Last edited by josediaz311@gmail.com; 03-20-2020, 04:34 PM. -
I use a semi-synthetic 10W30 (Royal Purple) in all of my trucks. The weight has more to do with lat/long coordinates and how cold it gets in your area. There is no perfectly correct answer that will satisfy everyone on this question. I like that my oil is Purple and my Gear Oil is Clear so I know what is leaking on my floor if anything by just looking at it.Deve Krehbiel
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I assume that Royal Purple is a trade mark, right?Comment
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Yes. I don't think it matters the brand myself.Deve Krehbiel
devestechnet.com
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Thank you. Stay safe in this virus environment.Comment
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The shop manual recommends sae 10 winter and sae 20 summer . I am unable to obtain those oils here , so I use 15w40 and have done for 40yrs , with complete success . I think 50 weight oil is much to heavy unless your engine is pretty badly worn out (stuffed)
http://chevy.oldcarmanualproject.com...51ctsm0002.htmComment
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