Closed-coolant engine temp question. |
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DoctorJD
Newbie Joined: July-27-2009 Status: Offline Points: 2 |
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Posted: July-27-2009 at 5:06pm |
Not having much success finding an answer for this, as not many people have this setup, however, I'll ask you guys and see what you think:
I've got an early 90's 351PCM with the closed-coolant setup. I've been on a summer-long mission to stablize and lower the operating temp on this boat and have, thus far, gotten to operate consistantly in the high 170's range (175-178). Considering that raw water engines usually like to run in the low 160's, I've always thought this to be high, but I've had a couple people tell me that this is normal operating temp for this kind of engine, saying that it's not unlike a car engine. Does anyone here have any experience with these types of setups and can you suggest what the normal operating temp should be? Thanks! JD |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41040 |
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JD,
You're fine at the 170 to 180. There are lots here with sea water cooling who have a hard time getting their engines to run at that temp! Your friends are correct that a closed cooling system can be related to a car. Think about the operating temp of a stretch limo with the air on full sitting in trafic in Las Vegas!! Welcome to the site. Glad you found it. |
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DoctorJD
Newbie Joined: July-27-2009 Status: Offline Points: 2 |
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Thanks, that puts my mind at ease! Just hearing about sea water engines working in the low-160's made me wonder if I should be running that much hotter. I've been lurking here for a while, and while I'm not a Correct Craft owner (don't kick me out ) I've found the info on the engine forum to be invaluable. Just bought my first inboard last Fall and there's been a bit of a learning curve involved. Thanks again for the help! |
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