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Old 11-20-2015, 04:33 PM   #19
bligh
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City: Santa Cruz, CA
Vessel Name: Concerto
Vessel Model: 1980 Cheoy Lee
Join Date: May 2013
Posts: 1,531
Quote:
Originally Posted by Baker View Post
Thank you sir....the tranny cooler has not been serviced/replaced. So I will take a look at it. A 200 degree thermostat might be a holdover for over the road applications??? I know applications like Dodge Ram trucks struggle to keep temps up due to being underloaded the vast majority of their lives. But Boats, planing boats in particular, don't have that issue. Anyway, I will take a look. There does not appear to be a flow problem, but that is hard to quantify...especially if there are bypasses anywhere.
i ordered the thermostat from seaboard marine who used my serial number to get the thermostat. and I asked them about the temperature range and that was what they told me which was also in agreement with my Cummins manual that came with the engine/boat. My engine is a 1999 or 98. Max engine temperature operating range is 203 F according to the manual.
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