470 running hotter

[ed sicoa]

"Boat used to run around 160/1

"Boat used to run around 160/180 degrees. Now it's around 190/200. Only thing i changed was the rectifier. It's not going over 200, but got my attention. Any ideas on what to check?"

 

[guyjg]

"OD impeller, heat exchanger n

"OD impeller, heat exchanger needs cooling tubes cleaned out"

 

[bertg]

"Maybe the new rectifier is gi

"Maybe the new rectifier is giving you a bit better voltage.

Bert"