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Topic
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Vessel Name: Runnin' Down a Dream
Engines: Cummins 6bta-M3 370hp
Location: Mathews, VA
Country: United States
Looking for advice at to whether I should stick with the 180 or change to the 160. I’ve read the article and would change to a 160 if I ran off-shore, get the protection factor from the additional prevent alarm at 190. Here are my current boating conditions:
Most trips are 15 to 20 minutes cruising before I drop lines, some times less. Max cruises 45 minutes, which I do more just to ‘run’ the boat under a load.
Troll a lot, 575 rpm in the fall for stripped bass and 800-900 rpms for Spanish mackerel and blues for hours.
The boat exhaust runs really clean (except on the 30 degree cold starts with no heater).
Comments/compliments from multiple people how the boat runs clean for a diesel (2 diesel mechanics, GF and family). No transition smoke jumping on a plane. Less fumes than my Shamrock with a Chevy 350 according to my son.
Will the 160 thermostat likely increase diesel fumes at trolling speeds?
Thanks
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180 to 160
I changed my 180s out to the 160s about a year ago. I noticed no change in fumes or smoke – still clean exhaust. My boat’s primary function is fishing offshore but in reality more actual time is spent running around at 1000 rpms either trolling or harbor cruising. The added safety factor was worth it to me. If you do switch them out, its a good time to add the redundant temp alarm since you’ll have to drain the coolant anyway.
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Redundant Alarms
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