What oil in 600's?
#1
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What oil in 600's?
What is the absolute best oil to use in Mercruiser 600's? We use Mobil 1 in the other 3 boats (Merc 5.0, Merc 502, merc 496's)
#2
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Join Date: Dec 2003
Location: Cleveland, OH / Pewaukee, WI
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Everyone will agree that mobile one is good. But if it is labeled by the API certified for a passanger car, I would not use it. It does not have enough anti-wear and corrosion resistant additives. If price was no object, I would go with the "Joe Gibbs" labbled oil. Since I cant decide myself, I wound up running Merc's Semmi Synthetic.
Jr.
Jr.
#3
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Your manual states Kendall 20W50. That would be a good choice for a conventional oil. Otherwise, I would run 20W50 Mobil 1 V-Twin.
#5
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Then Mobil 1 V-Twin 20W50, Red Line 20W50, Amsoil Racing 20W50 would all be good choices. Mentalpause who has the first F-4 Sunsation is running V-Twin in his 600's with good results. Carries a ton of oil pressure after running hard compared to other oils.
#6
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Im at Mobil 1's website and I dont see the V-Twin or any 20W50 on there? Thanks for the responses!!
Edit: Nevermind, found it in the motorcycle section
Edit: Nevermind, found it in the motorcycle section