AC Owners Club Forum > AC Weller Engine

Wich Oil for a CLB Engine? 30W as per Manual or 20W50 is the way to go now?

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SpqrEddie:
Hello!
sorry if this has been already discusse before, and feel free to delete this post and address me to an existing one.
I am quite new here, and couldnt find any reference.

I would like to know wich would be the reccomendation for a CLB engine in term of oil. 30W as per manual, or the current approach is 20W50?
Thanks!!
Edmondo

Big col:
I would use a good quality 20W50. If your motor is well worn hough, to the point of not long before a rebuild is required, you are probably better with a straight 40.

SpqrEddie:
Thank you Bic col!
i will go 20W50 then, the car should have been rebuilt not too long ago.. will see.
Thanks!

AndyN:
Before you switch to multigrade what type of filter have you. If it is not full flow then you should stick with straight 30s i am told

SpqrEddie:
thank you,
currently there is a GFE 479 filter.
and there is already Motul 20W50, but with a long overdue oil change!

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