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Old 02-10-2019, 03:20 PM   #37
tubman
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Join Date: Dec 2013
Location: Minnesota, Florida Keys
Posts: 12,146
Default Re: 49-53 mercury flathead oil pump help

Are you sure you have the right dipstick, tube, and oil pan combination? There was a discussion about the different types of dipsticks and tubes on hear a few weeks ago. When I put a '51 Merc engine in my '51 Ford, I had to use the Ford oil pan. Without thinking, I used the Merc dipstick and tube in the Ford pan. I ended up with a problem like yours. The dipstick has to match the tube and the whole setup must match the pan. A lot of parts have ended up getting changed around on these cars over the last 70 or so years, and anything is possible.
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