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06-24-2009 | 06:06 PM

#11

rlj676

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Joined: Jan 2006

Posts: 1,820

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From: Royal Oak, MI

Quote:

Originally Posted by PatriYacht

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.

Where is a good spot to buy the Mobil 1 15-50 (particularly in Detroit area)?

I just got back from Murray's and they don't carry it.

Also, is there anything that differentiates Mobil 1 "V-twin" from the sythetic I saw there (in 5-20, etc)?

06-24-2009 | 07:47 PM

#12

GrandLake353

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Joined: Aug 2008

Posts: 94

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From: Grand Lake

I bought Mobil-1, 15-50 today at wal-mart for $22/5 qt jug. It was like $6.50/qt, if you buy it by the qt.

06-24-2009 | 07:57 PM

#13

onesickpantera

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Joined: Feb 2005

Posts: 4,400

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From: Michigan

I use walmart brand SAE10. The thinner oil gives me 500 more rpm and 10 mph.

06-24-2009 | 09:48 PM

#14

07DominatorSS

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Joined: Feb 2008

Posts: 715

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From: Michigan

Quote:

Originally Posted by frantic

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!!

What does that have to do with anything? You can run straight synthetic, straight mineral oil, or mix the two for god's sake. Personally, i don't think you should be commenting on anything when it comes to lubricants.

06-25-2009 | 07:02 AM

#15

PatriYacht

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Joined: Jul 2002

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From: Waterford,MI

Quote:

Originally Posted by rlj676

Walmart carries it , good price too. The V-twin is one of Mobil's best oils and they price it accordingly. It was originally designed for air cooled motorcycle engines that really heat up their oil.

06-25-2009 | 09:36 AM

#16

minxguy

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Joined: Oct 2005

Posts: 756

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From: New Hartford CT

Quote:

Originally Posted by frantic

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!!

So then, it is ok to use either synthetic or mineral only, as opposed to non-synthetic and non-mineral?

Am I reading this correctly?

Ken

06-25-2009 | 10:08 AM

#17

Biggus

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Joined: Apr 2001

Posts: 6,305

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From: Naples, Maine

I've been running Mobil 1 15-50 for several years in my old flat tappet Pachanga with zero issues.

Local marina says to run Merc 25-40 petroleum as he says the Merc oil has more zinc than the Mobil 1.

What's the real story on zinc levels of these two popular oils?

Thanks,

Kurt

06-25-2009 | 07:04 PM

#18

MikeStaz

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Joined: Dec 2008

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Mobil 1 15w-50 is an excellent lubricant. Well respected in racing.

V-Twin is another great oil. A bit more robust than the 15w-50.

06-25-2009 | 07:56 PM

#19

jeffswav

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Joined: Oct 2005

Posts: 1,899

Likes: 20

From: Millstadt, IL

Take a look at the 100 page thread on this topic. All of this has been covered before. You need to look at facts not just speculate. I am not a oil expert that is why I just told him what I use.