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🙂 Howdy!
I’m going to be doing my first oil change on my new riding lawnmower and the manual says to use 30 weight oil with API service classification SG-SL. All I have on hand is 10w30 full synthetic. Will that be good to use? OR should I go all the way downtown to get the 30 weight it calls for. What will happen if I use that synthetic instead? Is it API service classification SG-SL?
. :blush:
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