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April 13, 2015 at 4:15 pm
#13862
If you removed the bailer side impeller, high pressure exhaust gases could be finding their way thru the empty cavity into the cooling impeller side.
My ’56 Scott Atwater was running a bit hot and letting exhaust gases and water out both the bailer intake and outlet nipples after removing the one impeller. To seal it up, I threaded the inlet and outlet for a pipe plug and epoxied an aluminum plug into the empty cavity. Now it pumps like a fire truck and the steps I took to seal it can be reversed if I ever find an impeller for it.