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WC7610 
Orange Level
Joined: 11 Sep 2009
Location: Sioux City, IA
Points: 764
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 Topic: Zenith Carb plug solution?
Posted: 28 Aug 2011 at 10:21pm |
Hi,
The thread in the front plug of our zenith carb are stripped. Would like to keep using this carb- any suggestions for fixing this?
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Most Bad Government has grown out of Too Much Government- Thomas Jefferson
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WC7610
Orange Level
Joined: 11 Sep 2009
Location: Sioux City, IA
Points: 764
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Posted: 28 Aug 2011 at 10:22pm |
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I should have said the carb threads are stripped, not the plug threads
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Most Bad Government has grown out of Too Much Government- Thomas Jefferson
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MilesGray (CO/KS)
Orange Level
Joined: 13 Sep 2009
Location: CO/KS
Points: 729
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Posted: 28 Aug 2011 at 10:43pm |
I have used JB Weld to fix some of my stripped threads. They have a type of epoxy that looks kind of like a large gray tootsie roll, for lack of a better way to explain it. You cut off a little of it and then mash it with your fingers until it is all the same consistency. The outside is gray and the inside is black. Once you get it all the same color put it in the threads evenly let it sit for a minute or so and then screw the plug into the hole in the carb. DO NOT let it stay in there until it dries! (don't ask how I know) Clean the excess JB Weld off where it squeezes out on both sides of the bowl. by then it should have set enough that you can back the plug out and then let it dry. You should have new threads that match the plug and you can continue to use the carb. JB Weld is not as good as Belzona 1111 but it is a lot cheaper! JB Weld does eventually wear out being exposed to gasoline, but done right it should last for years.
Edited by MilesGray (CO/KS) - 28 Aug 2011 at 10:44pm
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Miles Gray (CO/KS)
5 1938 B's, 1940 B, 1944 WF C, 1948 NF C, Gleaner A, White Top Rotobaler, 1957 IH Golden Jubilee... I'm either a collector, or crazy!
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kffischer
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Joined: 26 Feb 2011
Location: mn
Points: 121
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Posted: 28 Aug 2011 at 11:04pm |
keen-sert. It is a type of thread repair that you drill and tap the next size up, and it is already threaded for your original size. Now if it's a pipe thread plug, may as well drill and tap to slightly larger straight threads and use a plug that seals with a washer.
karl f
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Jacob (WI,ND)
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Joined: 11 Sep 2009
Location: Kenmare, ND
Points: 1246
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Posted: 29 Aug 2011 at 8:08pm |
 kffischer wrote:
keen-sert. It is a type of thread repair that you drill and tap the next size up, and it is already threaded for your original size. Now if it's a pipe thread plug, may as well drill and tap to slightly larger straight threads and use a plug that seals with a washer.
karl f |
These were my first thoughts too.
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Jacob Swanson
1920 6-12; 1925,1926 20-35 longfenders; 1925,1926 15-25's; 1927,1929 20-35 shortfenders; C; B's; IB; WC's; WD; WD45
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waynem
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Joined: 03 Aug 2011
Location: Milwaukee WI
Points: 70
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Posted: 30 Aug 2011 at 8:11pm |
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I work at an auto parts store & Permatex makes a product called stripped thread repair part # 81668 we have it in stock at CARQUEST Auto Parts.
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1939 Model B
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