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Sin_or_Swim

09-17-2007 11:02 AM

First Oil Change

I purchased a 1990 Fountain Fever 27 with twin 454 mags. Never owned big blocks and I'm planning to change the oil soon. The motors are stock with 200hrs what oil should I use? 5w-30, 10w-30 . . . ?

monstaaa

09-17-2007 01:37 PM

mercury oil 25 w 40 is a good conventional oil. mobil 1 15 w 50 full synthetic is a good oil as well for synthetic's. mercury high performance filters are good filter's as they are made by wix i believe.

Knot 4 Me

09-18-2007 08:58 AM

Quote:

Originally Posted by Sin_or_Swim (Post 2274410)

I purchased a 1990 Fountain Fever 27 with twin 454 mags. Never owned big blocks and I'm planning to change the oil soon. The motors are stock with 200hrs what oil should I use? 5w-30, 10w-30 . . . ?

Do not use a 5W30 or 10W30. They are too thin for marine use. In a conventional oil you can go with a straight 40W, Merc's 25-40, or a good quality 20W50 such as Kendall. In a synthetic, I would go with Mobil 1 15W50.

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