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Engine oil recommendation

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Post Options Post Options   Thanks (0) Thanks(0)   Quote gmars70970 Quote  Post ReplyReply Direct Link To This Post Topic: Engine oil recommendation
    Posted: April-18-2014 at 7:08pm
Hi All,

I picked up a new water pump belt & alternator belt today, cooling system pipes, spark plugs & oil filter.
But I'm not sure on what engine oil to use, it's a 1980 ski nautique with the 5.7 v8 engine.
I'm hoping to get everything changed over tomorrow.
Should I use 10w30,10w40 or 10w50 oil ?

Thanks

Graeme
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JPASS Quote  Post ReplyReply Direct Link To This Post Posted: April-18-2014 at 7:41pm
I run Mobil 1 15W50. Check out this thread
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gmars70970 Quote  Post ReplyReply Direct Link To This Post Posted: April-18-2014 at 8:02pm
Cheers JPASS,

I'll drop into my local store tomorrow & see what 15w50 oil they have in stock
Cheers again
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Waterdog Quote  Post ReplyReply Direct Link To This Post Posted: April-18-2014 at 10:50pm
In a 1980 engine you need a high level of zinc(900 ppm +) to protect that flat tappet cam. I use Shell Rotella 15w40 diesel

Pick an oil with lots of zinc stay with it and change the oil and filter every 50 hrs. or at the end of the season BEFORE winterizing.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gmars70970 Quote  Post ReplyReply Direct Link To This Post Posted: April-19-2014 at 4:08am
Thanks

I'll drop into eurocarparts today for a look.
Something like this be ok ?
http://www.eurocarparts.com/mobile/ecp/p/car-accessories/engine-oils-and-car-fluids/engineoils/15w40-engine-oil/?521776111&0&cc5_246
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JPASS Quote  Post ReplyReply Direct Link To This Post Posted: April-19-2014 at 9:55am
Originally posted by gmars70970 gmars70970 wrote:

Thanks

I'll drop into eurocarparts today for a look.
Something like this be ok ?
http://www.eurocarparts.com/mobile/ecp/p/car-accessories/engine-oils-and-car-fluids/engineoils/15w40-engine-oil/?521776111&0&cc5_246


Like the previous poster said, you want some with a high zinc content. The Mobil 1 has 1200ppm of Zinc. Is Mobil 1 not available over by you?

I'd read the link I sent you. It goes into other oils people recommend and also has a chart showing how much zinc and phosphorus each type of Mobil oil has. There's quite a difference.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Big Fish Quote  Post ReplyReply Direct Link To This Post Posted: April-19-2014 at 10:51am
Check out the Lucas oil products. They have regular, synthetic, and racing oils and I know some have high zinc. Their oils can be a little pricey and hard to find but you can usually find them online (amazon). I think the vendor I previously used was BB Bentor on the west coast. Their website is:   http://www.buylucasoil.com/
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gun-driver Quote  Post ReplyReply Direct Link To This Post Posted: April-19-2014 at 11:55am
You can probably find Liqui Moly over there that would be a good choice. I run that in my wife's Mercedes diesel it's on of the few oils that meets the MB standard.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote schultz Quote  Post ReplyReply Direct Link To This Post Posted: April-19-2014 at 11:43pm
i was always told to use straight 30? I use a quart of lucas also and it seems do do pretty well.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: April-20-2014 at 12:19am
Originally posted by schultz schultz wrote:

i was always told to use straight 30?

By whom?


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Post Options Post Options   Thanks (0) Thanks(0)   Quote schultz Quote  Post ReplyReply Direct Link To This Post Posted: April-20-2014 at 1:45am
Woody at southeast correct craft at the time.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 62 wood Quote  Post ReplyReply Direct Link To This Post Posted: April-20-2014 at 10:50am
Anyone using Valvoline VR1 20-50?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Morfoot Quote  Post ReplyReply Direct Link To This Post Posted: April-20-2014 at 11:20am
Originally posted by 62 wood 62 wood wrote:

Anyone using Valvoline VR1 20-50?


Yes! Hadn't been till I started reading all the oil recomendation threads and the guys who know said.... you need to be using VR1 or something with Zinc in it. I didn't know but do now. Just another reason why this site is such a valuble resource.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary S Quote  Post ReplyReply Direct Link To This Post Posted: April-20-2014 at 11:49am
What kind of filter should I be using? Those orange ones seem popular-----
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gun-driver Quote  Post ReplyReply Direct Link To This Post Posted: April-20-2014 at 11:56am
Gary you love stirring the pot
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 62 wood Quote  Post ReplyReply Direct Link To This Post Posted: April-20-2014 at 12:11pm
Originally posted by Gary S Gary S wrote:

What kind of filter should I be using? Those orange ones seem popular-----


Gary,
I thought you were using the toilet paper filters!
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: April-20-2014 at 12:14pm
Originally posted by schultz schultz wrote:

Woody at southeast correct craft at the time.

I certainly have nothing against Woody but he's "dating" himself with the straight 30. Yes, at one time all the marinizers recommended the straight 30 but those times have passed with the advent of muti viscosity oils. Using a 20-50 as an example, you get the low friction cold starting of a 20 weight but then at operating temp the viscosity of a 50 weight. I've been using VR1 20-50 for several years in ALL my engines.


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Post Options Post Options   Thanks (0) Thanks(0)   Quote Waterdog Quote  Post ReplyReply Direct Link To This Post Posted: April-20-2014 at 12:15pm
Wait till Pete gets here - Your in trouble!

edit Morning Pete - Sir
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 8122pbrainard Quote  Post ReplyReply Direct Link To This Post Posted: April-20-2014 at 12:19pm
Originally posted by 62 wood 62 wood wrote:

Originally posted by Gary S Gary S wrote:

What kind of filter should I be using? Those orange ones seem popular-----


Gary,
I thought you were using the toilet paper filters!

Originally posted by Waterdog Waterdog wrote:

   Wait till Pete gets here - Your in trouble!

BTW, I remember those toilet paper filters! Then, they went out when that outfit with the orange filters started doing their big marketing scam!!


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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary S Quote  Post ReplyReply Direct Link To This Post Posted: April-20-2014 at 12:50pm
I suppose I should start a new thread on what toilet paper to use?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote mslitti Quote  Post ReplyReply Direct Link To This Post Posted: April-20-2014 at 1:04pm
Yes that is all I use is VR1 20-50 with a Wix filter. I have a 1999 28' Pantera sr. I just put a $14,000 engine in, so the oil is very important in what I use. The VR1 is high in zink. I also run that same oil in my 87 BFN.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Sam Hamm Quote  Post ReplyReply Direct Link To This Post Posted: April-20-2014 at 1:04pm
I believe I was told on here to run straight 30 in my 454 BFN. When I do a oil change should I swap to 20-50? Or will I see more leaks now since I have ran straight 30 for two seasons?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 63 Skier Quote  Post ReplyReply Direct Link To This Post Posted: April-20-2014 at 2:02pm
Originally posted by 62 wood 62 wood wrote:

Anyone using Valvoline VR1 20-50?

I'm running it in all my boats.

On the question about a 454 - I run the same VR1 20W50 in my 454 jet boat that I run in my GT-40 351 Sport and '63 Buick V-6.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Waterdog Quote  Post ReplyReply Direct Link To This Post Posted: April-20-2014 at 2:11pm
Originally posted by mslitti mslitti wrote:

Yes that is all I use is VR1 20-50 with a Wix filter. I have a 1999 28' Pantera sr. I just put a $14,000 engine in, so the oil is very important in what I use. The VR1 is high in zink. I also run that same oil in my 87 BFN.


    "Todays" oils are about 85% oil / 15% additives.
    "Todays" roller tappet cams don't need the zinc to protect them and the cam from metal to metal contact. Some spring pressures on the cam be close to 300psi when the valve is open.

    Zinc/Phosphorus probably isn't recommended for a 1999 $14,000 engine but probably won't hurt ether. It adds friction but is a good high pressure protectant.

    +1 on the zinc & wix filter for the 87 BFN.    
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gmars70970 Quote  Post ReplyReply Direct Link To This Post Posted: April-20-2014 at 7:12pm
Wow........ Loads of advice.

I changed the oil & filter today & plan on testing the boat out tomorrow.
Unfortunately I'd changed the oil before seeing all the responses, I've put in valvoline ALLclimate 15-40 for tomorrow but I plan on changing it again before the summer.

Thanks again
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Post Options Post Options   Thanks (0) Thanks(0)   Quote cadunkle Quote  Post ReplyReply Direct Link To This Post Posted: April-21-2014 at 2:40pm
I wouldn't expect any issues with that oil. These are not highly specialized or high performance engines in these boats, but rather they are low output marine engines, very mundane. Unless you have a high lift cam and stronger valve springs there is nothing to worry about with all the zinc and phosphorus content fear mongering.

I'm not certain what oils are available overseas but from a quick look that Valvoline all climate should be just fine. It is a SL/CF rated oil for diesel engines and from what I can find zinc is around 1100 ppm, fairly high if true. That number is not direct from Valvoline so it may be incorrect. The majority of oils sold in the US are around 900 ppm zinc and perfectly fine for the the vast majority of stock or mild flat tappet cams, in Scotland I have no idea what a typical oil is. I'd say to be safe just run whatever diesel spec oil is readily available. You do not need to worry about wiping a stock low lift smooth idling SBC marine cam. Again, if you have a performance cam with higher lift or stronger valve springs, then you must run an oil with high zinc and phosphorus content, 1200+ ppm to be safe. 1100 ppm in that Valvoline is quite good though and nothing to worry about.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote gmars70970 Quote  Post ReplyReply Direct Link To This Post Posted: April-21-2014 at 7:06pm
Well I had the boat out on its maiden voyage today.
Everything felt great. Cant wait for the summer now!


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Post Options Post Options   Thanks (0) Thanks(0)   Quote Waterdog Quote  Post ReplyReply Direct Link To This Post Posted: April-21-2014 at 7:33pm
Graeme,

Dude - that tower is up there! Did you fabricate it yourself? 3 meters off the water? More?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote quinner Quote  Post ReplyReply Direct Link To This Post Posted: April-21-2014 at 7:42pm
Originally posted by gmars70970 gmars70970 wrote:

it's a 1980 ski nautique with the 5.7 v8 engine.


Is it a 5.7 350 Chevy or a 5.8 351 Ford? Is it a repower or the original motor. My 80 SN had a factory 350 Chevy but they are somewhat rare??

Would imagine the Valvoline would work with all but a Roller Chevy may want something more like the 15w40 most commonly labeled as Diesel Oil.

Any pics of the Motor??


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Post Options Post Options   Thanks (0) Thanks(0)   Quote gmars70970 Quote  Post ReplyReply Direct Link To This Post Posted: April-21-2014 at 8:07pm
Originally posted by quinner quinner wrote:

Originally posted by gmars70970 gmars70970 wrote:

it's a 1980 ski nautique with the 5.7 v8 engine.


Is it a 5.7 350 Chevy or a 5.8 351 Ford? Is it a repower or the original motor. My 80 SN had a factory 350 Chevy but they are somewhat rare??

Would imagine the Valvoline would work with all but a Roller Chevy may want something more like the 15w40 most commonly labeled as Diesel Oil.

Any pics of the Motor??




Sorry typo, it's the 5.8 Ford engine. Original I think
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