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| Author: | mrk20h [ Sat Jan 03, 2015 1:49 am ] |
| Post subject: | fresh water cooling |
I have a 2003 248 vista with 200 hours on a Volvo 5.7 GI looking at installing a San Juan fresh water cooling kit always been flushed any input or suggestions thanks |
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| Author: | LouC [ Sat Jan 03, 2015 11:18 am ] |
| Post subject: | Re: fresh water cooling |
While I'm a big fan of closed cooling there are concerns with installing it on engines run on raw water for more that about 100 hrs. If you have flaking rust it may be ill advised because rust flakes will cause chronic clogging of the heat exchanger and overheating. I'd remove the thermo housing and drain the block. Look in the inside of the thermo housing and inside the intake manifold. If you saw flaking rust and/or had to poke the drain holes in the block I would not add it. Call San Juan and ask them, but this is what most experts will tell you. |
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| Author: | mrk20h [ Sat Jan 03, 2015 11:32 am ] |
| Post subject: | Re: fresh water cooling |
Ok i'll look into that before i proceed thanks |
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| Author: | Guinnydog [ Mon Jul 27, 2015 6:59 pm ] |
| Post subject: | Re: fresh water cooling |
I have installed San Juan FWC kits on both my past and current boats. I did installation before either boat was exposed to salt water. First one done at 100hrs with no problems, current boat done with 5 hrs. What LouC states would be my biggest concern in your case. You didn't mention whether your boat has been exposed to salt water or not. I would contact Brad at San Juan Engineering and ask his opinion. He knows his product and very knowledgable on FWC and what kit best fits your requirements. I picked up my kits at San Juan in Bellingham, WA and spoke with Brad there and over the phone. I'm sure he would help you out and give you some advice. If you are a salt water boater; I flush my engine with a product called Salt Away every time I pull my boat out of the water. They claim it flushes out fresh salt, it protects the inside from rusting and corroding, and it begins to break apart salt accumulation, but does not correct past damage. This may be something for you to use prior to installing FWC. Have a look at their website. Rod |
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