Oil choices
What weight and type of oils do you guys run in your big blocks. I am running a straight 30 right now...but have been told its not enough. Synthetic would probably be my next choice, but I'm unsure about the break down factor.
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Straight 30 is great or u can go with 25-30 weight which is a bit lighter. i would stay away from the synthetic unless u have a newer engine or u plan on burning synthetic for the future and never changing back to non synthetic..
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Happy reading...
http://www.offshoreonly.com/forums/g...brication.html I've used 15W50 Mobil 1 for over 10 years and hundreds and hundreds of hours. |
Originally Posted by frantic
(Post 2895808)
Straight 30 is great or u can go with 25-30 weight which is a bit lighter. i would stay away from the synthetic unless u have a newer engine or u plan on burning synthetic for the future and never changing back to non synthetic..
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mobil delvac 1300 super 15w40 wally world 12 dollars a gallon. I run that in my power stroke too.
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I run Amsoil 15/40 Marine.
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Hey Mike,
I am speaking from personal experience. My 96 Z71 chevy 305 started leaking oil from the engine seals. I guess the new sythetic's are a better grade of oil mixed with minerals. I am not the one to steer someone in a direction that I wont go. Anyway if you tried it please keep me posted. Dont want my seals to go bad on my marine motor. Thanks on the input.. |
Depending on what year engine you have. If your engine is 2000 and newer i would use synthetic or mineral but if your engine is older than 2000 i would stick to either mineral or synthetic only!!
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There are many people here running synthetic oil in their pre 2000 boat. Mobil 1 15-50 is very popular. Mercruiser reccomends 30 wt for cold climates only. For normal summer temps 40 wt is reccomended or Merc oil which is 25-40. Frantic needs to do a little more research. There is a lot of info here for a new guy.
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Only amsoil 25-50 high zinc formula for my hydraulic flat cam 420hp's!!!
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