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Old 10-11-2014, 12:10 PM   #41
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Maybe this helps?

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Old 10-11-2014, 01:19 PM   #42
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What the chart tells me is .....

.....that most oil experts (especially the ones that say read the manual without further thought) on trawler forum are just that...oil experts on trawler forum and certainly no place else and definitely not in my 50 year old designed engine running in 2015.

Now...if I owned a high hp, 2014 MAN turbo diesel....the manual would be under my pillow. Fr my Lehman...I'll stick with my Rotella 15W40 and after reading the comeback from Daddyo in my purposeful thread, may even try a synthetic blend soon.
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Old 10-11-2014, 01:21 PM   #43
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Lehman's are frozen in time.

Is it true when you call American Diesel you have to use a rotary dial phone?
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Old 10-11-2014, 01:30 PM   #44
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Lehman's are frozen in time.

Is it true when you call American Diesel you have to use a rotary dial phone?
Yep...tried emailing them but my net speed was so fast it went right by Kilmarnock on to Norfolk....

And someone keeps saying my Lehman engine never gets cold but I have brushed frost off of it in the morning...not sure if that means it's cold or not.

The bow sure didn't like breaking ice to get out of Baltimore Harbor last year...so it made fun of me my whole 4 month trip by leaving a nice blue smile showing from under my red bottom paint...

Keep up those good ones....you are like the west coast rep for RT Firefly comebacks.......
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Old 10-11-2014, 01:35 PM   #45
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And someone keeps saying my engine never gets cold but I have brushed frost off of it in the morning...not sure if that means it's cold or not.
Are you sure it wasn't some of that frozen time?

I suppose if you brushed enough off you could use multi viscosity oil without damage...
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Old 10-11-2014, 01:37 PM   #46
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Are you sure it wasn't some of that frozen time?

I suppose if you brushed enough off you could use multi viscosity oil without damage...
.......
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Old 10-11-2014, 01:46 PM   #47
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Old 10-11-2014, 02:08 PM   #48
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I've had quick response from them when I had to replace my motor mounts and ended up buying them after speaking to Bob.
On the beaten to death oil topic, for further reading try Bobistheoilguy.com and read the motor oil university series. It's about cars at 215 degrees, but the logic follows with lower temp marine engines. Food for thought and again, most likely not a huge factor in how long that engine lasts you compared to how the engine is loaded and how fast it is run.
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Old 10-11-2014, 03:20 PM   #49
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Quote:
Originally Posted by psneeld View Post
What the chart tells me is .....

.....that most oil experts (especially the ones that say read the manual without further thought) on trawler forum are just that...oil experts on trawler forum and certainly no place else and definitely not in my 50 year old designed engine running in 2015.

Now...if I owned a high hp, 2014 MAN turbo diesel....the manual would be under my pillow. Fr my Lehman...I'll stick with my Rotella 15W40 and after reading the comeback from Daddyo in my purposeful thread, may even try a synthetic blend soon.
So, are you an oil expert on the Trawler forum? Those that say "follow the manual" aren't the people claiming to be oil experts.
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Old 10-11-2014, 03:24 PM   #50
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Originally Posted by Northern Spy View Post
Lehman's are frozen in time.

Is it true when you call American Diesel you have to use a rotary dial phone?
Now that is funny
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Old 10-11-2014, 05:38 PM   #51
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So, are you an oil expert on the Trawler forum? Those that say "follow the manual" aren't the people claiming to be oil experts.
Not even close...I'm just using what I'm using...I'm not TELLING people what they should use....

Besides there's a lot more to the story if ...you probably just missed it or just needed to take a shot at me...either way...have at it...
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Old 10-11-2014, 08:18 PM   #52
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Lehman's are frozen in time.

Is it true when you call American Diesel you have to use a rotary dial phone?
Last time I needed to talk to them I picked up the nearest empty can of Marvel Mystery Oil with a string coming out the bottom of it and got right through to tech support.

Only down side was that I had to clean my ear out with degreaser after I got off the can with them.
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Old 10-19-2014, 11:10 PM   #53
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I've spoken with Brian at American Diesel several times on the subject and although he recommends single weight dino oil he is not particularly apposed to multi-weight or synthetic. The engine is significantly smoother and quieter with the multi synth. And yes Bob is wrong about using Marvel. He is an expert but not infallible.

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