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Fresh Water Cooling

briang0

Regular Contributor
I'm sorry but I have to be

I'm sorry but I have to beat this dead horse. On my CS280 which is currently 1/2 fresh I am replacing the exhaust manifolds from camel hump style to generic log. I would love to go full fresh but I'm concerned about doing it. Rick said a while back that he thought my heat exchanger would handle it based on the pictures I had. On my intake manifold the housing has 4 outlets. Two are connected and currently one side has a plug. The other 2 are connected but are dry there is no connection to the antifreeze. Antifreeze comes up from the block and out into the current two. So I can run each side to the low end of the log then run the high sides back to the exchanger. Finally here's the question the current exchanger only has 1 hose opening about 1 1/4" for the return so if I tee it off and run the high sides back to this I will be bring (2) 1 1/4" hoses into a 1 1/4" opening. Will it be too much restriction? On the water pump on the engine there is a hose approx 5/8 that comes out and goes to the tranny cooler then back to the exchanger also to another opening. I currently have no thermostat but plan to add a 160 if I do this. Sorry for the long winded speech. I'm just afraid if I do this I will end up with a hot running engine and have to reverse everything. I'm trying to cover all the bases. Thanks in advance.
 
"Were the manifolds FW cooled

"Were the manifolds FW cooled before? If so, add them to the system--especially if you run in salt water.

Jeff"
 
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