Thread: Perkins 120's
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Old 01-14-2015, 09:24 PM   #7
Dougcole
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City: Carrabelle, FL
Vessel Name: Morgan
Vessel Model: '05 Mainship 40T
Join Date: Jan 2008
Posts: 2,160
Gauge was my first thought as well. The gauges on my old Gulfstar with twin 4-236 were not very accurate. readings were different between upper and lower helms, if you gave the gauge a good knock with your knucles it would bounce up or down 15 degrees. I just watched them for unusual readings and didn't worry about how accurate the temps actually were.
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