Get a big bucket of vinegar and a bunch of cheap vinegar from the dollar store. Run it through the engine a few times. Salt and minerals plate out inside the engine and insulate the block from the water. I did this yearly when I had a RWC engine. The head also likes an annual vinegar treatment for the same reason.
Joe Coquina From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Joel Aronson via CnC-List Sent: Monday, June 19, 2017 8:25 AM To: cnc-list@cnc-list.com Cc: Joel Aronson <joel.aron...@gmail.com> Subject: Stus-List 2GM15 salt water cooled engine overheating All, The J30 I race on is overheating. It's not the impeller. The engine is 35 years old and salt water cooled. I pulled the hose off the elbow and blew into it. There did not seem to be any restriction. (Does that mean anything?). What's next? Thermostat? Clean heat exchanger? Elbow? Thanks. Joel -- Joel 301 541 8551
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