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1957 Wisconsin TFD - Rebuild

Colin O

Registered
I recently purchased 4 engines. One was an old TFD that was seized. When purchasing I noticed that 1 of the engines had a rebuild tag from 1999. The engine was block and heads only, no air shrouds, carb etc. A second engine was in the same state but no tag. The third was a Wisconsin AGND complete accept for the carburetor and starter. At the time I thought I had 3 TFD's as their was no way of identifying them, and they were in the same crate as the seized but complete TFD. When I got home I took the heads off the rebuild and suspected rebuild. The engine with the tag turned out to be a TJD as the cylinders moved up and down separately the pistons were brand new 40 over, and the crank bearings new as well. The second engine turned out to be a TFD as suspected and with 2 new 20 over pistons. I eventually got the TFD with new pistons running. I was also able to free up the old seized TFD. I intend to work on the TJD next but need a magneto and air shrouds. The funniest part of the story is that I initially drove 2.5 hours to see these. I left with nothing because I have too many projects already. That night I realized I made a mistake and went back up a couple of days later and got all 4 for $160.00. I guess it's true that one man's junk is another man's treasure.

Colin O.
 

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Sonny Reese

Registered
Wish I could find a stash like that! lol!!! ---I have 1 tfd with hand clutch that I want to get running to use on a garden tractor. thanks; sonny
 

K-Tron

Registered
Before attempting to run the TJD with the 0.040" oversize pistons, take a look at who made the pistons, it will be stamped into the inside of the piston skirt. If someone put Continental pistons in that engine, it will be as good as garbage in a few short hours. Wisconsin only made up to 0.030" oversize pistons for that engine. Once the block is wore more than 0.030" over it is time to sleeve the cylinder back to standard. The mismatching valves and the already out of round looking rear cylinder have me questioning the competence of whoever rebuilt that engine. Otherwise you did really well on that deal. It is getting harder and harder to find twins for a good price. When built right, they will run ten thousands hours between rebuilds.

Chris
 

Colin O

Registered
Thanks for the advice Chris. I looked up the company that did the rebuild ( Was on tag) and they have been in business since 1923. They have multiple branches. None the less I will take your comments seriously. Thanks for the response.

Colin O.
 

Colin O

Registered
Thanks UD.
Anyone out there have an owners manual for a Wisconsin AGND. I found the parts manual on line but it does not have much information.
 

Zira

Moderator
Staff member
Last Subscription Date
03/21/2020
PM me an email address and I will send you a scan of the manual. I also have a TJD mag and some other parts I would love to re-home if you are interested. I have limited mobility right now but can probably coerce a family member to drag them out.
 
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