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Search: Posts Made By: dem45133
Forum: Diesel   08-05-2013
Replies: 37
Views: 2,860
Posted By dem45133
Re: Confused about which oil weight to use

Good day avicola...

Part of that discussion would obviously be how old the boat/engine when one got it. Since I am a poor man... any boat or engine I get is about 20 or 30 years old. If one buys...
Forum: Diesel   08-04-2013
Replies: 37
Views: 2,860
Posted By dem45133
Re: Confused about which oil weight to use

Good day DixieJulie

Once you eliminate the simple things as mentioned above there is something to think about...

Since it is raw water cooled and salt water.... its a bad combination for any...
Forum: Diesel   08-04-2013
Replies: 37
Views: 2,860
Posted By dem45133
Re: Confused about which oil weight to use

I second the high rev comment. 3600 is pushing it. Actually on most long stroke engines its starting into the "screaming" definition. You may be a little underpropped too, but just pull the...
Forum: Diesel   08-03-2013
Replies: 37
Views: 2,860
Posted By dem45133
Re: Confused about which oil weight to use

Without a thermostat sometimes (depending flow characteristics) the flow can be too much and prevent full operating temp...

I supposed it could be possible that the stay time around the cylinder...
Forum: Diesel   08-03-2013
Replies: 37
Views: 2,860
Posted By dem45133
Re: Confused about which oil weight to use

Back to the original topic.... I've been using Shell Rotella 15w40 for 35 years in all my diesel and most of my gas engines (old school low rev type). Only in the very coldest part of winter do I...
Forum: Diesel   08-03-2013
Replies: 37
Views: 2,860
Posted By dem45133
Re: Confused about which oil weight to use

(edit: I replied from the original post on your over heat on page 1, didn't see the previous replies until just now. I repeated a couple things, but also added a couple. No matter what you need to...
Forum: Diesel   07-31-2013
Replies: 85
Views: 3,938
Posted By dem45133
Re: Conversion to oil as coolant?

Sir, I've been working on engines for better that 40 years. You are missing the point. I do not care what the boat itself is doing... that's irrelevant. The variables your cite "wind, water...
Forum: Diesel   07-27-2013
Replies: 85
Views: 3,938
Posted By dem45133
Re: Conversion to oil as coolant?

Thanks Paul, but your statement above is at least not what it used to be with normal ethylene glycol. I am from N. Wisconsin (Eagle River) and a straight 50/50 is only good to 34 below 0 F and will...
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