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#39458
jdp
Participant

    I just cleaned out a 1940 Sportwin 3.3, first I dumped out all the sludge I could, then I filled it with 6 good sized nuts and 3 bottles of HEET dry gas. I then shook the tank around and let it sit for 3 hours agitating every 30 mins or so. I did this 3 times then rinsed with straight gasoline (not mixed with oil) . It knocked out of all of the sludge. I also used carb cleaner on the petcock and fuel lines and took apart the carb and cleaned that up. Runs fine but needs some adjustment now. It had been sitting since 1969.